Klis Fortress
Encyclopedia
The Klis Fortress is a medieval fortress situated above a village bearing the same name
Klis
Klis is a village located around a mountain fortress bearing the same name. It is located in central Dalmatia, Croatia, located just northeast of Solin and Split near the eponymous mountain pass...

, near the city of Split
Split (city)
Split is a Mediterranean city on the eastern shores of the Adriatic Sea, centered around the ancient Roman Palace of the Emperor Diocletian and its wide port bay. With a population of 178,192 citizens, and a metropolitan area numbering up to 467,899, Split is by far the largest Dalmatian city and...

, in central Dalmatia
Dalmatia
Dalmatia is a historical region on the eastern coast of the Adriatic Sea. It stretches from the island of Rab in the northwest to the Bay of Kotor in the southeast. The hinterland, the Dalmatian Zagora, ranges from fifty kilometers in width in the north to just a few kilometers in the south....

, Croatia
Croatia
Croatia , officially the Republic of Croatia , is a unitary democratic parliamentary republic in Europe at the crossroads of the Mitteleuropa, the Balkans, and the Mediterranean. Its capital and largest city is Zagreb. The country is divided into 20 counties and the city of Zagreb. Croatia covers ...

. From its origin as a small stronghold
Fortification
Fortifications are military constructions and buildings designed for defence in warfare and military bases. Humans have constructed defensive works for many thousands of years, in a variety of increasingly complex designs...

 built by the ancient Illyrian
Illyrians
The Illyrians were a group of tribes who inhabited part of the western Balkans in antiquity and the south-eastern coasts of the Italian peninsula...

 tribe Dalmatae
Dalmatae
The Dalmatae or Delmatae were an ancient people who inhabited the core of what would then become known as Dalmatia after the Roman conquest - now the eastern Adriatic coast in Croatia, between the rivers Krka and Neretva...

, becoming a royal castle that was the seat of many Croatian kings
Kingdom of Croatia (medieval)
The Kingdom of Croatia , also known as the Kingdom of the Croats , was a medieval kingdom covering most of what is today Croatia and Bosnia and Herzegovina in the Balkans.Established in 925, it ruled as a sovereign state for almost two centuries...

, to its final development as a large fortress during the Ottoman wars in Europe
Ottoman wars in Europe
The wars of the Ottoman Empire in Europe are also sometimes referred to as the Ottoman Wars or as Turkish Wars, particularly in older, European texts.- Rise :...

, Klis Fortress has guarded the frontier, being lost and re-conquered several times throughout its more than two thousand year-long history. Due to its location on a pass that separates the mountains Mosor
Mosor
Mosor is a mountain range in Croatia located near the town of Split on the Adriatic coast. It belongs to Dinaric Alps, and it stretches from the pass of Klis in the northwest to the Cetina River in the southeast....

 and Kozjak
Mali Kozjak
Kozjak, also known as Mali Kozjak or Primorski Kozjak is a mountain located above the town of Kaštela in Dalmatia, Croatia....

, the fortress served as a major source of defense in Dalmatia, especially against the Ottoman
Ottoman Empire
The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

 advance, and has been a key crossroad between the Mediterranean
Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Anatolia and Europe, on the south by North Africa, and on the east by the Levant...

 belt and the Balkan
Balkans
The Balkans is a geopolitical and cultural region of southeastern Europe...

 rear.

Since Prince Mislav
Mislav of Croatia
Mislav was the Duke of Littoral Croatia in 835–845.Mislav succeeded Vladislav as the Duke of Littoral Croatia. He ruled from Klis in central Dalmatia, when he made Klis Fortress seat to his throne. Mislav was pious ruler. He built the Church of Saint George in Putalj . Today's Kaštel Sućurac...

 of Littoral Croatia made Klis Fortress the seat of his throne in the middle of the 9th century, the fortress has served as the seat of many Croatia's rulers. The reign of his successor, Duke Trpimir I
Trpimir I of Croatia
Trpimir I was a duke of Croatia in 845–864, and the founder of the Croatian House of Trpimirović. Although he was formally vassal of the Frankish Emperor Lothair I, Trpimir used Frankish-Byzantine conflicts to rule on his own.-Reign:...

, the founder of the Croatian royal House of Trpimirović, is significant for spreading Christianity
Christianity
Christianity is a monotheistic religion based on the life and teachings of Jesus as presented in canonical gospels and other New Testament writings...

 in the Littoral Croatia. He largely expanded the Klis Fortress, and in Rižinice, in the valley under the fortress, he built a church and the first Benedictine monastery in Croatia. During the reign of the first Croatian king, Tomislav, Klis and Biograd na Moru
Biograd na Moru
Biograd na Moru is a city and municipality in northern Dalmatia, Croatia and is significant for being the former capital of the medieval Croatian Kingdom. Its population is 6,059 . Biograd is administratively part of the Zadar County...

 were his chief residences.

In March 1242 at Klis Fortress, Tatars
Tatars
Tatars are a Turkic speaking ethnic group , numbering roughly 7 million.The majority of Tatars live in the Russian Federation, with a population of around 5.5 million, about 2 million of which in the republic of Tatarstan.Significant minority populations are found in Uzbekistan, Kazakhstan,...

 who were a constituent segment of the Mongol
Mongols
Mongols ) are a Central-East Asian ethnic group that lives mainly in the countries of Mongolia, China, and Russia. In China, ethnic Mongols can be found mainly in the central north region of China such as Inner Mongolia...

 army under the leadership of Kadan
Kadan
Kadaň , is a city in the Ústí nad Labem Region of the Czech Republic.The city lies on the banks of the river Ohře. Although it is situated in an industrial part of the Czech Republic there is no major industry within the city and people usually work in offices or have to commute. There are two...

 suffered a major defeat while in pursuit of the Hungarian army led by King Béla IV
Béla IV of Hungary
Béla IV , King of Hungary and of Croatia , duke of Styria 1254–58. One of the most famous kings of Hungary, he distinguished himself through his policy of strengthening of the royal power following the example of his grandfather Bela III, and by the rebuilding Hungary after the catastrophe of the...

. After their defeat by Croatian forces, the Mongols retreated, and Béla IV rewarded many Croatian towns and nobles with "substantial riches". During the Late Middle Ages
Late Middle Ages
The Late Middle Ages was the period of European history generally comprising the 14th to the 16th century . The Late Middle Ages followed the High Middle Ages and preceded the onset of the early modern era ....

, the fortress was governed by Croatian nobility
Croatian nobility
Croatian nobility refers to the noble families of Croatia, Slavonia, Dalmatia, Istria, Bosnia and Republic of Ragusa.-General history of Croatian nobility:Croatian nobility titles mostly were granted by the kings of Croatia, later kings of Hungary-Croatia...

, amongst whom Paul I Šubić of Bribir was the most significant. During his reign, the House of Šubić controlled most of modern-day Croatia and Bosnia. Excluding the brief possession by the forces of Bosnian King
Kingdom of Bosnia
The Kingdom of Bosnia or the Bosnian Kingdom was one of the medieval kingdoms of the Balkans, existing between 1377 and 1463.- Establishment :...

, Tvrtko I
Tvrtko I of Bosnia
Stjepan Tvrtko I was a ruler of medieval Bosnia. He ruled in 1353–1366 and again in 1367–1377 as Ban and in 1377–1391 as the first Bosnian King....

, the fortress remained in Hungaro-Croatian hands for the next several hundred years, until the 16th century.

Klis Fortress is probably best known for its defense against the Ottoman invasion of Europe
Ottoman wars in Europe
The wars of the Ottoman Empire in Europe are also sometimes referred to as the Ottoman Wars or as Turkish Wars, particularly in older, European texts.- Rise :...

 in the early 16th century. Croatian captain Petar Kružić
Petar Kružić
Petar Kružić was a Croatian knez, captain, soldier and defender of Klis, and the captain of Senj.In the early 16th century Petar Kružić defended the Klis Fortress against Turk invasion...

 led the defense of the fortress against a Turkish invasion and siege that lasted for more than two and a half decades. During this defense, as Kružić and his soldiers fought without allies against the Turks, the military faction of Uskoks
Uskoks
The Uskoks were Croatian Habsburg soldiers that inhabited the areas of the eastern Adriatic and the surrounding territories during the Ottoman wars in Europe. Etymologically, the word uskoci itself means "the ones who jumped in" in Croatian...

 was formed, which later became famous as an elite Croatian militant sect. Ultimately, the defenders were defeated and the fortress was occupied by the Ottomans. After more than a century under Ottoman rule, in 1669, Klis Fortress was besieged and seized by the Republic of Venice
Republic of Venice
The Republic of Venice or Venetian Republic was a state originating from the city of Venice in Northeastern Italy. It existed for over a millennium, from the late 7th century until 1797. It was formally known as the Most Serene Republic of Venice and is often referred to as La Serenissima, in...

, thus moving the border between Christian and Muslim Europe further east and helping to contribute to the decline of the Ottoman Empire. The Venetians restored and enlarged the fortress, but it was taken by the Austrians
Austrians
Austrians are a nation and ethnic group, consisting of the population of the Republic of Austria and its historical predecessor states who share a common Austrian culture and Austrian descent....

 after Napoleon
Napoleon I
Napoleon Bonaparte was a French military and political leader during the latter stages of the French Revolution.As Napoleon I, he was Emperor of the French from 1804 to 1815...

 extinguished the republic itself in 1797. Today, Klis Fortress contains a museum where visitors to this historic military structure can see an array of arms, armor, and traditional uniforms.

Location

The fortress is located above a village bearing the same name
Klis
Klis is a village located around a mountain fortress bearing the same name. It is located in central Dalmatia, Croatia, located just northeast of Solin and Split near the eponymous mountain pass...

, 11 kilometres (6.8 mi) from the Adriatic Sea
Adriatic Sea
The Adriatic Sea is a body of water separating the Italian Peninsula from the Balkan peninsula, and the system of the Apennine Mountains from that of the Dinaric Alps and adjacent ranges...

, on a pass that separates the mountains Mosor
Mosor
Mosor is a mountain range in Croatia located near the town of Split on the Adriatic coast. It belongs to Dinaric Alps, and it stretches from the pass of Klis in the northwest to the Cetina River in the southeast....

 and Kozjak
Mali Kozjak
Kozjak, also known as Mali Kozjak or Primorski Kozjak is a mountain located above the town of Kaštela in Dalmatia, Croatia....

, at the altitude of 360 metres (1,181.1 ft), northeast of Split
Split (city)
Split is a Mediterranean city on the eastern shores of the Adriatic Sea, centered around the ancient Roman Palace of the Emperor Diocletian and its wide port bay. With a population of 178,192 citizens, and a metropolitan area numbering up to 467,899, Split is by far the largest Dalmatian city and...

 in Croatia
Croatia
Croatia , officially the Republic of Croatia , is a unitary democratic parliamentary republic in Europe at the crossroads of the Mitteleuropa, the Balkans, and the Mediterranean. Its capital and largest city is Zagreb. The country is divided into 20 counties and the city of Zagreb. Croatia covers ...

. Owing to its strategic position, the fortress is regarded as one of the region’s most important fortification
Fortification
Fortifications are military constructions and buildings designed for defence in warfare and military bases. Humans have constructed defensive works for many thousands of years, in a variety of increasingly complex designs...

s.

Perched on an isolated rocky eminence, inaccessible on three sides, the fortress overlooks the city of Split, the ancient Roman
Ancient Rome
Ancient Rome was a thriving civilization that grew on the Italian Peninsula as early as the 8th century BC. Located along the Mediterranean Sea and centered on the city of Rome, it expanded to one of the largest empires in the ancient world....

 settlement of Salona
Salona
Salona was an ancient Illyrian Delmati city in the first millennium BC. The Greeks had set up an emporion there. After the conquest by the Romans, Salona became the capital of the Roman province of Dalmatia...

, the towns of Solin, Kaštela
Kaštela
Kaštela is a series of seven towns in central Dalmatia, located northwest of Split, west of Solin and east of Trogir, in Croatia. They are part of the Split-Dalmatia county and are treated as a single city with a population of 38,474 , although they are individually between 3,000 and 7,000...

 and Trogir
Trogir
Trogir is a historic town and harbour on the Adriatic coast in Split-Dalmatia County, Croatia, with a population of 12,995 and a total municipality population of 13,322 . The historic city of Trogir is situated on a small island between the Croatian mainland and the island of Čiovo...

, and most of the central Dalmatian islands. Historically, the fortress has controlled access to and from Bosnia
Bosnia (region)
Bosnia is a eponomous region of Bosnia and Herzegovina. It lies mainly in the Dinaric Alps, ranging to the southern borders of the Pannonian plain, with the rivers Sava and Drina marking its northern and eastern borders. The other eponomous region, the southern, other half of the country is...

, Dalmatia
Dalmatia
Dalmatia is a historical region on the eastern coast of the Adriatic Sea. It stretches from the island of Rab in the northwest to the Bay of Kotor in the southeast. The hinterland, the Dalmatian Zagora, ranges from fifty kilometers in width in the north to just a few kilometers in the south....

 and inland Croatia
Zagora (Croatia)
Zagora , sometimes also called Dalmatian Zagora , is the southern inland region of Croatia. The name Zagora means "behind hills", which is a reference to the fact that it is the part of Dalmatia that is not coastal....

. The importance of such a position was felt by every army that invaded, or held possession of this part of Croatia. Klis Fortress was a point against which their attacks were always directed, and it has been remarkable for the many sieges it withstood. It has been of major strategic value in Croatia throughout history.

Ancient stronghold of Illyrians and Romans

The ancient Illyrian
Illyrians
The Illyrians were a group of tribes who inhabited part of the western Balkans in antiquity and the south-eastern coasts of the Italian peninsula...

 tribe of Dalmatae
Dalmatae
The Dalmatae or Delmatae were an ancient people who inhabited the core of what would then become known as Dalmatia after the Roman conquest - now the eastern Adriatic coast in Croatia, between the rivers Krka and Neretva...

, which held a stronghold on this spot, were the first known inhabitants who lived on the site of what is today Klis Fortress. They were defeated several times, and in the year 9 A.D., finally annexed by Romans
Ancient Rome
Ancient Rome was a thriving civilization that grew on the Italian Peninsula as early as the 8th century BC. Located along the Mediterranean Sea and centered on the city of Rome, it expanded to one of the largest empires in the ancient world....

. Today's Klis Fortress was known to the Romans by the name of "Andetrium" or "Anderium", and in later times "Clausura", which is the origin of later "Clissa" and modern "Klis". To the Romans, Klis became famous for its celebrated siege by Augustus
Augustus
Augustus ;23 September 63 BC – 19 August AD 14) is considered the first emperor of the Roman Empire, which he ruled alone from 27 BC until his death in 14 AD.The dates of his rule are contemporary dates; Augustus lived under two calendars, the Roman Republican until 45 BC, and the Julian...

, at the time of the Illyrian revolt in Dalmatia. The road that lead from Klis to Salona was called "Via Gabiniana" or "Via Gabinia", which according to an inscription found at Salona, appears to have been made by Tiberius
Tiberius
Tiberius , was Roman Emperor from 14 AD to 37 AD. Tiberius was by birth a Claudian, son of Tiberius Claudius Nero and Livia Drusilla. His mother divorced Nero and married Augustus in 39 BC, making him a step-son of Octavian...

. Southeast of the fortress, the traces of a Roman camp are still visible, as well as an inscription carved on a rock; both which are supposed to be contemporary with the siege under Tiberius. The description of this siege during the Illyrian Wars
Illyrian Wars
Illyrian Wars were a set of conflicts of 229 BC, 219 BC and 168 BC when Rome overran the Illyrian settlements and suppressed the piracy that had made the Adriatic unsafe for Italian commerce. There were three campaigns, the first against Teuta, the second against Demetrius of Pharos and the third...

 demonstrates that this place was strong and unreachable in those times.

Migration period and the arrival of the Croats

After the fall of the Roman Empire
Decline of the Roman Empire
The decline of the Roman Empire refers to the gradual societal collapse of the Western Roman Empire. Many theories of causality prevail, but most concern the disintegration of political, economic, military, and other social institutions, in tandem with foreign invasions and usurpers from within the...

, Barbarians plundered the region around Klis. First it was ruled by Odoacer
Odoacer
Flavius Odoacer , also known as Flavius Odovacer, was the first King of Italy. His reign is commonly seen as marking the end of the Western Roman Empire. Though the real power in Italy was in his hands, he represented himself as the client of Julius Nepos and, after Nepos' death in 480, of the...

, and then by the Theodoric the Great
Theodoric the Great
Theodoric the Great was king of the Ostrogoths , ruler of Italy , regent of the Visigoths , and a viceroy of the Eastern Roman Empire...

, after he eliminated Odoacer, and set up an Ostrogothic Kingdom
Ostrogothic Kingdom
The Kingdom established by the Ostrogoths in Italy and neighbouring areas lasted from 493 to 553. In Italy the Ostrogoths replaced Odoacer, the de facto ruler of Italy who had deposed the last emperor of the Western Roman Empire in 476. The Gothic kingdom reached its zenith under the rule of its...

. After Justinian I
Justinian I
Justinian I ; , ; 483– 13 or 14 November 565), commonly known as Justinian the Great, was Byzantine Emperor from 527 to 565. During his reign, Justinian sought to revive the Empire's greatness and reconquer the lost western half of the classical Roman Empire.One of the most important figures of...

 fought an almost continual war for forty years to recover the old Roman Empire, he seized Dalmatia, and Klis was from 537, a part of Byzantine Empire
Byzantine Empire
The Byzantine Empire was the Eastern Roman Empire during the periods of Late Antiquity and the Middle Ages, centred on the capital of Constantinople. Known simply as the Roman Empire or Romania to its inhabitants and neighbours, the Empire was the direct continuation of the Ancient Roman State...

. The name of Klis (Kleisa or Kleisoura) was first described in chapter 29 of Emperor Constantine Porphyrogenitus'
Constantine VII
Constantine VII Porphyrogennetos or Porphyrogenitus, "the Purple-born" was the fourth Emperor of the Macedonian dynasty of the Byzantine Empire, reigning from 913 to 959...

 De Administrando Imperio. While describing the Roman settlement of Salona
Salona
Salona was an ancient Illyrian Delmati city in the first millennium BC. The Greeks had set up an emporion there. After the conquest by the Romans, Salona became the capital of the Roman province of Dalmatia...

, Constantine VII speaks of the stronghold, which may have been designed or improved, to prevent attacks on the coastal cities and roads by Slavs
Slavic peoples
The Slavic people are an Indo-European panethnicity living in Eastern Europe, Southeast Europe, North Asia and Central Asia. The term Slavic represents a broad ethno-linguistic group of people, who speak languages belonging to the Slavic language family and share, to varying degrees, certain...

.

Salona, the capital of the province of Dalmatia was sacked and destroyed in 614 by Avars
Eurasian Avars
The Eurasian Avars or Ancient Avars were a highly organized nomadic confederacy of mixed origins. They were ruled by a khagan, who was surrounded by a tight-knit entourage of nomad warriors, an organization characteristic of Turko-Mongol groups...

 and Slavs. The population fled to Diocletian's
Diocletian's Palace
Diocletian's Palace is a building in Split, Croatia, that was built by the Roman emperor Diocletian at the turn of the fourth century AD.Diocletian built the massive palace in preparation for his retirement on 1 May 305 AD. It lies in a bay on the south side of a short peninsula running out from...

 walled palace of Split, which was able to hold up. Thereafter, Split rose quickly in importance, as one of Dalmatia's major cities. After a few decades, the Avars were driven out by the Croats
Croats
Croats are a South Slavic ethnic group mostly living in Croatia, Bosnia and Herzegovina and nearby countries. There are around 4 million Croats living inside Croatia and up to 4.5 million throughout the rest of the world. Responding to political, social and economic pressure, many Croats have...

. This probably happened after 620, when in second wave Croats migrated on the invitation by the Emperor Heraclius
Heraclius
Heraclius was Byzantine Emperor from 610 to 641.He was responsible for introducing Greek as the empire's official language. His rise to power began in 608, when he and his father, Heraclius the Elder, the exarch of Africa, successfully led a revolt against the unpopular usurper Phocas.Heraclius'...

 to counter the Avar threat on the Byzantine Empire.

Royal Castle

From the early 7th century on, Klis was an important Croat stronghold, and later, one of the seats of many Croatia's rulers. In the 9th century, Croatian prince Mislav
Mislav of Croatia
Mislav was the Duke of Littoral Croatia in 835–845.Mislav succeeded Vladislav as the Duke of Littoral Croatia. He ruled from Klis in central Dalmatia, when he made Klis Fortress seat to his throne. Mislav was pious ruler. He built the Church of Saint George in Putalj . Today's Kaštel Sućurac...

 of Littoral Croatia, from 835 to 845, made the castle of Klis seat of his throne. Despite Frankish
Franks
The Franks were a confederation of Germanic tribes first attested in the third century AD as living north and east of the Lower Rhine River. From the third to fifth centuries some Franks raided Roman territory while other Franks joined the Roman troops in Gaul. Only the Salian Franks formed a...

 overlordship, the Franks had almost no role in Littoral Croatia in the period from the 820s through 840s. After Mislav's death, starting with Duke Trpimir I
Trpimir I of Croatia
Trpimir I was a duke of Croatia in 845–864, and the founder of the Croatian House of Trpimirović. Although he was formally vassal of the Frankish Emperor Lothair I, Trpimir used Frankish-Byzantine conflicts to rule on his own.-Reign:...

, Klis was ruled by royal members of the House of Trpimirović, who were at first Duke
Duke
A duke or duchess is a member of the nobility, historically of highest rank below the monarch, and historically controlling a duchy...

s of Littoral Croatian Duchy (dux Croatorum), and afterwards Kings
Monarch
A monarch is the person who heads a monarchy. This is a form of government in which a state or polity is ruled or controlled by an individual who typically inherits the throne by birth and occasionally rules for life or until abdication...

 of the Croatian Kingdom
Kingdom of Croatia (medieval)
The Kingdom of Croatia , also known as the Kingdom of the Croats , was a medieval kingdom covering most of what is today Croatia and Bosnia and Herzegovina in the Balkans.Established in 925, it ruled as a sovereign state for almost two centuries...

 (rex Croatorum). They developed the early Roman stronghold into their capital. Relations with the Byzantines
Byzantine Empire
The Byzantine Empire was the Eastern Roman Empire during the periods of Late Antiquity and the Middle Ages, centred on the capital of Constantinople. Known simply as the Roman Empire or Romania to its inhabitants and neighbours, the Empire was the direct continuation of the Ancient Roman State...

 greatly improved under the Croatian duke Trpimir I, who moved the dux's main residence from Nin
Nin, Croatia
Nin is a town in the Zadar county of Croatia, population 1,256 , total municipality population 4,603 .Nin was historically important as a centre of a Christian Bishopric in the Middle Ages. Up to the abolition and Latinization imposed by King Tomislav in the first half of the 10th century, Nin was...

 to Klis.

The reign of Mislav's successor Trpimir I
Trpimir I of Croatia
Trpimir I was a duke of Croatia in 845–864, and the founder of the Croatian House of Trpimirović. Although he was formally vassal of the Frankish Emperor Lothair I, Trpimir used Frankish-Byzantine conflicts to rule on his own.-Reign:...

, is significant for spreading Christianity
Christianity
Christianity is a monotheistic religion based on the life and teachings of Jesus as presented in canonical gospels and other New Testament writings...

 in the medieval Croatian state, and for the first mention of the name "Croats" in domestic documents. On 4 March, in 852, Trpimir I issued a "Charter in Biaći" in Latin, confirming Mislav's donations to the Archbishopric in Split
Split (city)
Split is a Mediterranean city on the eastern shores of the Adriatic Sea, centered around the ancient Roman Palace of the Emperor Diocletian and its wide port bay. With a population of 178,192 citizens, and a metropolitan area numbering up to 467,899, Split is by far the largest Dalmatian city and...

. In this document Trpimir I named himself; "By the mercy of God, Duke of Croats" , and his realm as the "Realm of the Croats" . In the same document Trpimir I mentioned Klis as his property — seat. Under Klis, in Rižinice, the duke Trpimir built a church and the first Benedictine monastery
Monastery
Monastery denotes the building, or complex of buildings, that houses a room reserved for prayer as well as the domestic quarters and workplace of monastics, whether monks or nuns, and whether living in community or alone .Monasteries may vary greatly in size – a small dwelling accommodating only...

 in Croatia, which is known from the discovery of a stone fragment on a gable arch from an altar screen, inscribed with the prince's name and title.

A controversial Saxon
Saxons
The Saxons were a confederation of Germanic tribes originating on the North German plain. The Saxons earliest known area of settlement is Northern Albingia, an area approximately that of modern Holstein...

 theologian of the mid-ninth century, Gottschalk of Orbais, spent some time at Trpimir's court between 846 and 848. His work "De Trina deitate" is an important source of information for Trpimir's reign. Gottschalk was a witness to the battle between Trpimir and Byzantine strategos, when Trpimir was victorious. During the reign of Croatian king Tomislav, who had no permanent capital, the castle of Klis along with Biograd
Biograd na Moru
Biograd na Moru is a city and municipality in northern Dalmatia, Croatia and is significant for being the former capital of the medieval Croatian Kingdom. Its population is 6,059 . Biograd is administratively part of the Zadar County...

, were his chief residences.

Knights Templar

From the early 12th century, and after the decay of the native Croatian royal family of Trpimirović, the castle of Klis was mainly governed by Croatian nobility
Croatian nobility
Croatian nobility refers to the noble families of Croatia, Slavonia, Dalmatia, Istria, Bosnia and Republic of Ragusa.-General history of Croatian nobility:Croatian nobility titles mostly were granted by the kings of Croatia, later kings of Hungary-Croatia...

, under the supremacy of Hungarian kings. The Kingdom of Croatia
Kingdom of Croatia (medieval)
The Kingdom of Croatia , also known as the Kingdom of the Croats , was a medieval kingdom covering most of what is today Croatia and Bosnia and Herzegovina in the Balkans.Established in 925, it ruled as a sovereign state for almost two centuries...

 and the Kingdom of Hungary
Kingdom of Hungary
The Kingdom of Hungary comprised present-day Hungary, Slovakia and Croatia , Transylvania , Carpatho Ruthenia , Vojvodina , Burgenland , and other smaller territories surrounding present-day Hungary's borders...

 were, from 1102, a personal union
Personal union
A personal union is the combination by which two or more different states have the same monarch while their boundaries, their laws and their interests remain distinct. It should not be confused with a federation which is internationally considered a single state...

 of two kingdoms, united under the Hungarian king.The actual nature of the relationship is inexplicable in modern terms because it varied from time to time.(Bellamy (2003), p. 38.) Sometimes Croatia acted as an independent agent and at other times as a vassal of Hungary.(Bellamy (2003), p. 38.) However, Croatia retained a large degree of internal independence.(Bellamy (2003), p. 38.) The degree of Croatian autonomy fluctuated throughout the centuries as did its borders.(Singleton (1989), p. 29.)

Andrew II of Hungary
Andrew II of Hungary
Andrew II the Jerosolimitan was King of Hungary and Croatia . He was the younger son of King Béla III of Hungary, who invested him with the government of the Principality of Halych...

 was extremely favorably disposed towards the Templars
Knights Templar
The Poor Fellow-Soldiers of Christ and of the Temple of Solomon , commonly known as the Knights Templar, the Order of the Temple or simply as Templars, were among the most famous of the Western Christian military orders...

. During his participation in the Fifth Crusade
Fifth Crusade
The Fifth Crusade was an attempt to reacquire Jerusalem and the rest of the Holy Land by first conquering the powerful Ayyubid state in Egypt....

, he appointed Pontius de Cruce
Pontius de Cruce
Pontius de Cruce was a Master of the Templars.Andrew II of Hungary was extremely favorably disposed towards the Templars. During his participation in the Fifth Crusade he appointed Pontius de Cruce, Master of the Order in the Hungarian Kingdom, as a regent in Croatia and Dalmatia....

, Master of the Order in the Hungarian Kingdom, as a regent in Croatia and Dalmatia. After his return in 1219, in recognition of the great logistical and financial support which the Order had given him during the campaign, he granted the Order the estate of Gacka
Gacka
Gacka is a river located in the Lika region in central Croatia. Because for a large part of its course it is a subterranean river, estimates on its length vary. The overground part has undergone substantial human intervention - before it was 32 kilometers long, now it is only 11 km...

. Even before his departure from the city of Split in 1217, he had made over to the Templars the castle of Klis (Clissa), a strategic point in the hinterland of Split (Spalato), which controlled the approaches to the town. The king Andrew was reluctant to entrust the castle of Klis to any of the local magnates, knowing what great harm could come from that castle. It was the king's will that Split receive the castle of Klis for the defense of their city. The city of Split showed little interest in the royal favors, so the king entrusted Klis into Templars hands. Shortly after this, the Templars lost Klis, and, in exchange, the king gave them the coastal town of Šibenik
Šibenik
Šibenik is a historic town in Croatia, with population of 51,553 . It is located in central Dalmatia where the river Krka flows into the Adriatic Sea...

 (Sebenico).

Mongol siege

Tatars
Tatars
Tatars are a Turkic speaking ethnic group , numbering roughly 7 million.The majority of Tatars live in the Russian Federation, with a population of around 5.5 million, about 2 million of which in the republic of Tatarstan.Significant minority populations are found in Uzbekistan, Kazakhstan,...

 under the leadership of Kadan
Kadan
Kadaň , is a city in the Ústí nad Labem Region of the Czech Republic.The city lies on the banks of the river Ohře. Although it is situated in an industrial part of the Czech Republic there is no major industry within the city and people usually work in offices or have to commute. There are two...

 experienced a major failure in March 1242 at Klis Fortress, when they were hunting for Béla IV of Hungary
Béla IV of Hungary
Béla IV , King of Hungary and of Croatia , duke of Styria 1254–58. One of the most famous kings of Hungary, he distinguished himself through his policy of strengthening of the royal power following the example of his grandfather Bela III, and by the rebuilding Hungary after the catastrophe of the...

. The Tatars believed that the king was in the Klis Fortress, and so they began to attack from all sides, launching arrows and hurling spears. However, the natural defenses of the fortress gave protection, and the Tatars could cause only limited harm. They dismounted from their horses and began to creep up hand over hand to higher ground. But the fortress defenders hurled huge stones at them, and managed to kill a great number. This setback only made the Tatars more ferocious, and they came right up to the great walls and fought hand to hand. They looted the houses and took away much plunder. Upon learning that the king was not there, they abandoned their attack, and ascending their mounts rode off in the direction of Trogir, a number of them turning off toward Split.

The Mongols attacked the Dalmatian cities for the next few years but eventually withdrew without major success, as the mountainous terrain and distance were not suitable for their style of warfare. They pursued Béla IV from town to town in Dalmatia. The Croatian nobility
Croatian nobility
Croatian nobility refers to the noble families of Croatia, Slavonia, Dalmatia, Istria, Bosnia and Republic of Ragusa.-General history of Croatian nobility:Croatian nobility titles mostly were granted by the kings of Croatia, later kings of Hungary-Croatia...

 and Dalmatian towns such as Trogir
Trogir
Trogir is a historic town and harbour on the Adriatic coast in Split-Dalmatia County, Croatia, with a population of 12,995 and a total municipality population of 13,322 . The historic city of Trogir is situated on a small island between the Croatian mainland and the island of Čiovo...

 and Rab
Rab
Rab is an island in Croatia and a town of the same name located just off the northern Croatian coast in the Adriatic Sea.The island is long, has an area of and 9,480 inhabitants . The highest peak is Kamenjak at 408 meters...

 helped Béla IV to escape. After this failure, the Mongols retreated and Béla IV rewarded the Croatian towns and nobility. Only the town of Split
Split (city)
Split is a Mediterranean city on the eastern shores of the Adriatic Sea, centered around the ancient Roman Palace of the Emperor Diocletian and its wide port bay. With a population of 178,192 citizens, and a metropolitan area numbering up to 467,899, Split is by far the largest Dalmatian city and...

 did not help Béla IV in his escape.

Some historians claim that the mountainous terrain of Croatian Dalmatia was fatal for the Mongols, because they suffered great losses when attacked by the Croats
Croats
Croats are a South Slavic ethnic group mostly living in Croatia, Bosnia and Herzegovina and nearby countries. There are around 4 million Croats living inside Croatia and up to 4.5 million throughout the rest of the world. Responding to political, social and economic pressure, many Croats have...

 from ambushes in mountain passes. Other historians claim that the death of Ögedei Khan
Ögedei Khan
Ögedei Khan, born Ögedei was the third son of Genghis Khan and second Great Khan of the Mongol Empire by succeeding his father...

  was the only reason for retreat. Much of Croatia was plundered by the Mongols, but without any major military success. Saint Margaret
Saint Margaret of Hungary
Saint Margaret was a nun and the daughter of King Béla IV and Maria Laskarina. She was the niece of Saint Elizabeth of Hungary and the younger sister of Saint Kinga and Blessed Yolanda.-Early life:...

 (January 27, 1242 – January 18, 1271), a daughter of Béla IV and Maria Laskarina
Maria Laskarina
Maria Laskarina was a daughter of Theodore I Laskaris and his first wife Anna Angelina.-Life:She was a younger sister of Irene Lascarina, first Empress consort of John III Doukas Vatatzes. Theodore married his eldest daughter to his designated heir in 1212...

, was born in Klis Fortress during the Mongol invasion of Hungary-Croatia
Mongol invasion of Europe
The resumption of the Mongol invasion of Europe, during which the Mongols attacked medieval Rus' principalities and the powers of Poland and Hungary, was marked by the Mongol invasion of Rus starting in 21 December 1237...

.

Šubić's rule

The weakening of royal authority under Stephen V of Hungary
Stephen V of Hungary
Stephen V , was King of Hungary from 1270 to 1272.-Early years:...

 allowed the House of Šubić to regain their former role in Dalmatia. In 1274, Stjepko Šubić of Bribir died, and Paul I Šubić of Bribir succeeded him as the family elder. Soon, Ladislaus IV of Hungary, recognizing the balance of power in Dalmatia, named Paul I as Ban of Croatia and Dalmatia. Ladislaus IV died in 1290 leaving no sons, and a civil war between rival candidates, pro-Hungarian Andrew III of Hungary, and pro-Croatian Charles Martel of Anjou
Charles Martel of Anjou
Charles Martel of the Angevin dynasty, also known as Charles I Martel, was the eldest son of king Charles II of Naples and Maria of Hungary, the daughter of King Stephen V of Hungary....

, started. Charles Martel's father Charles II of Naples
Charles II of Naples
Charles II, known as "the Lame" was King of Naples, King of Albania, Prince of Salerno, Prince of Achaea and Count of Anjou.-Biography:...

, awarded all Croatia from Gvozd Mountain
Petrova Gora
Petrova Gora is a mountain range in central Croatia. The mountain used to be named Gvozd , but was renamed after 1097 to honour Petar Svačić, the last native king of Croatia who died on the mountain in a battle against Coloman of Hungary.During World War II, Petrova Gora was the location of the...

  to the river Neretva mouth
Neretva
Neretva is the largest river of the eastern part of the Adriatic basin. It has been harnessed and controlled to a large extent by four HE power-plants with large dams and their storage lakes, but it is still recognized for its natural beauty, diversity of its landscape and visual...

 hereditary to Paul I Šubić of Bribir. Thus, Charles converted Paul's personal position as Ban into a hereditary one for the Šubić family. All the other nobles in this region, were to be vassals of Paul Šubić. In response, Andrew III in 1293 issued a similar charter for Paul Šubić. During this struggle over the throne, George I Šubić of Bribir
George I Šubić of Bribir
George I Šubić of Bribir was the Count of Trogir, and a member of the Croatian Šubić noble family.Juraj I Šubić was brother of Paul I Šubić of Bribir, who was the most powerful Croatian noble at the end of 13th century and beginning of the 14th century. In Dalmatia, Paul appointed his brothers as...

, Ban Paul's brother went to Italy, visiting the pope and the Naples court. In August 1300, George I returned to Split, bringing Charles Robert
Charles I of Hungary
Charles I , also known as Charles Robert , was the first King of Hungary and Croatia of the House of Anjou. He was also descended from the old Hungarian Árpád dynasty. His claim to the throne of Hungary was contested by several pretenders...

 with him. Paul Šubić accompanied Charles Robert (later known as Charles I of Hungary) to Zagreb
Zagreb
Zagreb is the capital and the largest city of the Republic of Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb lies at an elevation of approximately above sea level. According to the last official census, Zagreb's city...

, where he was recognized as king; then they proceeded to Esztergom
Esztergom
Esztergom , is a city in northern Hungary, 46 km north-west of the capital Budapest. It lies in Komárom-Esztergom county, on the right bank of the river Danube, which forms the border with Slovakia there....

, where, in 1301, the Archbishop of Esztergom crowned him as King of Hungary and Croatia.

Paul I Šubić, Ban of Croatia and Dalmatia, became Lord of all of Bosnia in 1299. Although supporting the king, Paul I continued to act independently, and ruled over a large portion of modern-day Croatia and Bosnia. He appointed his brothers as commissars of Dalmatian cities, and gave Split to his brother Mladen I Šubić
Mladen I Šubić of Bribir
Mladen I Šubić of Bribir was a member of the Croatian noble family Šubić, at the end of 13th and beginning of the 14th century.He was a brother of a famous ban of Croatia Paul I Šubić of Bribir, who appointed Mladen as a commissar of dalmatinan city of Split, along with Klis Fortress.After Paul I...

, and Šibenik
Šibenik
Šibenik is a historic town in Croatia, with population of 51,553 . It is located in central Dalmatia where the river Krka flows into the Adriatic Sea...

, Nin
Nin, Croatia
Nin is a town in the Zadar county of Croatia, population 1,256 , total municipality population 4,603 .Nin was historically important as a centre of a Christian Bishopric in the Middle Ages. Up to the abolition and Latinization imposed by King Tomislav in the first half of the 10th century, Nin was...

, Trogir
Trogir
Trogir is a historic town and harbour on the Adriatic coast in Split-Dalmatia County, Croatia, with a population of 12,995 and a total municipality population of 13,322 . The historic city of Trogir is situated on a small island between the Croatian mainland and the island of Čiovo...

 and Omiš
Omiš
Omiš is a town and port in the Dalmatia region of Croatia, and is a municipality in the Split-Dalmatia County. The town is situated approximately south-east of Croatia's second largest city, Split. Its location is where the emerald-green Cetina River meets the Adriatic Sea...

 to his brother George I Šubić
George I Šubić of Bribir
George I Šubić of Bribir was the Count of Trogir, and a member of the Croatian Šubić noble family.Juraj I Šubić was brother of Paul I Šubić of Bribir, who was the most powerful Croatian noble at the end of 13th century and beginning of the 14th century. In Dalmatia, Paul appointed his brothers as...

. After George I Šubić died in 1302, his brother Mladen I Šubić ruled as a Bosnian Ban over Bosnia from Klis Fortress, until he was killed in a battle during 1304. Then, Šubić gave the Klis Fortress to his son Mladen II Šubić
Mladen II Šubić of Bribir
Mladen II Šubić of Bribir , a Croatian leader and member of the Šubić noble family, was a Ban of Croatia and Lord of all of Bosnia.-Biography:...

, who ruled over Bosnia like his uncle Mladen I. George II Šubić
George II Šubić of Bribir
George II Šubić of Bribir was a Count of Bribir and member of the Croatian Šubić noble family, who ruled from Klis Fortress.- Family Connections :...

 and his son, Mladen III Šubić
Mladen III Šubić of Bribir
Mladen III Šubić of Bribir was a member of the Croatian Šubić noble family, who ruled from Klis Fortress. He was in possession of Klis, Omiš and Skradin.-Family Connections:...

, ruled over Klis Fortress until the late 14th century. During summer-long festivities in Klis Fortress, open to the whole population, Mladen III Šubić gave his sister's Jelena Šubić
Jelena Šubic
Jelena Šubić was a Croatian kneginja from the noble Šubić family, and mother of Bosnian King Tvrtko.Jelena Šubić was daughter of Juraj II Šubić. She was born early in the 14th century , and was married to Regent of Bosnia Vladislav Kotromanić by his brother Mladen III Šubić at Klis Fortress in...

 hand in marriage to Vladislaus of Bosnia, from the House of Kotromanić
House of Kotromanic
The Kotromanić dynasty was a ruling house that ruled in the medieval Bosnia and the surrounding lands, from the 13th century as Bans until the crowning with the Bosnian crowns in 1377 and then as kings until the Ottoman conquest conquest in 1463....

. Jelena Šubić gave birth to the first Bosnian King
Kingdom of Bosnia
The Kingdom of Bosnia or the Bosnian Kingdom was one of the medieval kingdoms of the Balkans, existing between 1377 and 1463.- Establishment :...

, Tvrtko I, who later inherited the fortress.

Petar Kružić and the Uskoci

Owing to its location, Klis Fortress was an important defensive position during the Ottoman conquest of the Balkans. The fortress stands along the route by which the Ottomans could penetrate the mountain barrier separating the coastal lowlands from around Split, from Turkish-held Bosnia. The Croat feudal lord Petar Kružić
Petar Kružić
Petar Kružić was a Croatian knez, captain, soldier and defender of Klis, and the captain of Senj.In the early 16th century Petar Kružić defended the Klis Fortress against Turk invasion...

 gathered together a garrison composed of Croat refugees, who used the base at Klis both to hold the Turks at bay, and to engage in marauding and piracy against coastal shipping. Although nominally accepting the sovereignty of the Habsburg Emperor Ferdinand I
Ferdinand I, Holy Roman Emperor
Ferdinand I was Holy Roman Emperor from 1558 and king of Bohemia and Hungary from 1526 until his death. Before his accession, he ruled the Austrian hereditary lands of the Habsburgs in the name of his elder brother, Charles V, Holy Roman Emperor.The key events during his reign were the contest...

,On January 1, 1527, the Croatian nobles at Cetin unanimously elected Ferdinand, Archduke of Austria
Ferdinand I, Holy Roman Emperor
Ferdinand I was Holy Roman Emperor from 1558 and king of Bohemia and Hungary from 1526 until his death. Before his accession, he ruled the Austrian hereditary lands of the Habsburgs in the name of his elder brother, Charles V, Holy Roman Emperor.The key events during his reign were the contest...

 as their king, and confirmed the succession to him and his heirs. In return for the throne, Archduke Ferdinand, at Parliament on Cetin
Parliament on Cetin
The Parliament on Cetin was a gathering of the Croatian nobility in the town of Cetin caused by a monarchical crisis after the death of their king Louis II and a major defeat of the Kingdom of Hungary at the Battle of Mohács...

 , promised to respect the historic rights, freedoms, laws, and customs the Croats had when united with the Hungarian kingdom and to defend Croatia from Ottoman
Ottoman Empire
The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

 invasion. (R. W. Seton -Watson:The southern Slav question and the Habsburg Monarchy page 18)
who obtained the Croatian crown in 1527, Kružić and his freebooting Uskoks
Uskoks
The Uskoks were Croatian Habsburg soldiers that inhabited the areas of the eastern Adriatic and the surrounding territories during the Ottoman wars in Europe. Etymologically, the word uskoci itself means "the ones who jumped in" in Croatian...

 were a law unto themselves.

When a large Turkish force threatened the fortress, Kružić appealed to Ferdinand I for help, but the Emperor's attention was diverted by a Turkish invasion into Slavonia
Slavonia
Slavonia is a geographical and historical region in eastern Croatia...

. For more than two and half decades, Captain Kružić, also called (Prince of Klis), defended the fortress against the Turkish invasion. Kružić led the defense of Klis, and with his soldiers fought almost alone against the Ottomans, as they hurled army after army against the fortress. No troops would come from the Hungarian king, as they were defeated by the Ottomans at the Battle of Mohács
Battle of Mohács
The Battle of Mohács was fought on August 29, 1526 near Mohács, Hungary. In the battle, forces of the Kingdom of Hungary led by King Louis II of Hungary and Bohemia were defeated by forces of the Ottoman Empire led by Sultan Suleiman the Magnificent....

 in 1526, and the Venetians
Republic of Venice
The Republic of Venice or Venetian Republic was a state originating from the city of Venice in Northeastern Italy. It existed for over a millennium, from the late 7th century until 1797. It was formally known as the Most Serene Republic of Venice and is often referred to as La Serenissima, in...

 baulked at sending any help. Only the pope
Pope
The Pope is the Bishop of Rome, a position that makes him the leader of the worldwide Catholic Church . In the Catholic Church, the Pope is regarded as the successor of Saint Peter, the Apostle...

s were willing to provide some men and money.

Final Ottoman siege

Pope Paul III
Pope Paul III
Pope Paul III , born Alessandro Farnese, was Pope of the Roman Catholic Church from 1534 to his death in 1549. He came to the papal throne in an era following the sack of Rome in 1527 and rife with uncertainties in the Catholic Church following the Protestant Reformation...

 claimed some rights in Klis, and in September, 1536, there was talk in the Curia
Roman Curia
The Roman Curia is the administrative apparatus of the Holy See and the central governing body of the entire Catholic Church, together with the Pope...

 of strengthening the defenses of the fortress. The Pope notified Ferdinand
Ferdinand I, Holy Roman Emperor
Ferdinand I was Holy Roman Emperor from 1558 and king of Bohemia and Hungary from 1526 until his death. Before his accession, he ruled the Austrian hereditary lands of the Habsburgs in the name of his elder brother, Charles V, Holy Roman Emperor.The key events during his reign were the contest...

 that he was willing to share the costs of maintaining a proper garrison in Klis. Ferdinand I did send aid to Klis and was apparently hopeful of holding the fortress, when the Turks again lade a siege to it. Ferdinand I recruited men from Trieste
Trieste
Trieste is a city and seaport in northeastern Italy. It is situated towards the end of a narrow strip of land lying between the Adriatic Sea and Italy's border with Slovenia, which lies almost immediately south and east of the city...

 and elsewhere in the Habsburg lands, and Pope Paul III sent soldiers from Ancona
Ancona
Ancona is a city and a seaport in the Marche region, in central Italy, with a population of 101,909 . Ancona is the capital of the province of Ancona and of the region....

. There were about 3,000 infantry in the reinforcements, which made a sizeable relief force, that were commanded by Petar Kružić, Niccolo dalla Torre, and a papal commissioner Jacomo Dalmoro d'Arbe. On March 9, 1537, they disembarked near Klis, at a place called S. Girolamo, with fourteen pieces of artillery. After Ibrahim's death, Suleiman the Magnificent
Suleiman the Magnificent
Suleiman I was the tenth and longest-reigning Sultan of the Ottoman Empire, from 1520 to his death in 1566. He is known in the West as Suleiman the Magnificent and in the East, as "The Lawgiver" , for his complete reconstruction of the Ottoman legal system...

 sent 8,000 men under the command of Amurat Vaivoda, a Croatian renegade who had been born in Šibenik
Šibenik
Šibenik is a historic town in Croatia, with population of 51,553 . It is located in central Dalmatia where the river Krka flows into the Adriatic Sea...

, to go and lay siege to Klis fortress (Clissa), and fight against Petar Kružić. An initial encounter of the Christian relief force with the Turks was indecisive, but, on March 12, they were overwhelmed by the arrival of a great number of Turks.

The attempts to relieve the citadel ended in farce. Badly-drilled reinforcements sent by the Habsburgs fled in the fear of Turks, and their attempts to re-board their boats at Solin bay caused many vessels to sink. Niccolo dalla Torre and the papal commissioner managed to escape. Kružić himself – who had left the fortress to make contact with the reinforcements was captured and executed: the sight of his head on a stick was too much for the remaining defenders of Klis, who were now willing to gave up the fortress in return for safe passage north. After Petar Kružić's death, and with a lack of water supplies, the Klis defenders finally surrendered to the Ottomans in exchange for their freedom, on March 12, 1537. Many of the citizens fled the town, while the Uskoci retreated to the city of Senj
Senj
Senj , German Zengg, Hungarian Zeng and Italian Segna) is the oldest town on the upper Adriatic, and it was founded in the time before the Romans some 3000 years ago on the hill Kuk. It was the center of the Illyrian tribe Iapydes. The current settlement is situated at the foot of the slopes Mala...

, where they continued fighting the Turkish invaders.

Sanjak centre of Ottoman Bosnia

During the Ottoman wars in Europe
Ottoman wars in Europe
The wars of the Ottoman Empire in Europe are also sometimes referred to as the Ottoman Wars or as Turkish Wars, particularly in older, European texts.- Rise :...

, Klis Fortress was, for a century, an administrative centre or sanjak
Sanjak
Sanjaks were administrative divisions of the Ottoman Empire. Sanjak, and the variant spellings sandjak, sanjaq, and sinjaq, are English transliterations of the Turkish word sancak, meaning district, banner, or flag...

 (Kilis Sancağı) of the Bosnia Eyalet
Bosnia Eyalet
The Eyalet of Bosnia or Bosnia Beylerbeylik was a eyalet and beylerbeylik of the Ottoman Empire, mostly based on the territory of the present-day state of Bosnia and Herzegovina as well as most of Slavonia, Lika, and Dalmatia in present-day Croatia...

. On April 7, 1596, Split noblemen Ivan Alberti and Nikola Cindro, along with Uskoci, Poljičani, and Kaštelani irregulars, organized a liberation of Klis. Assisted by dissident elements of the Turkish garrison, they succeeded. Bey Mustafa responded by bringing more than 10,000 soldiers under the fortress. General Ivan Lenković
Ivan Lenković
Ivan Lenković was a Croatian army general and the leader of the Uskoks. He is noted for the construction of Fortress Nehaj and as a captain of the Senj area. He also contributed in organizing the Military Frontier....

, leading 1,000 Uskoci, came in relief of the 1,500 Klis defenders. During the battle, Ivan Lenković and his men retreated after he was wounded in battle, and the fortress was lost to the Turks, on May 31. Nevertheless, this temporary relief resounded in Europe and among the local population.

From the well-fortified position in the Klis Fortress, the Turks were a constant threat to the Venetians and to the local Croatian population in the surrounding area. In 1647, after the Turkish success at Novigrad
Novigrad, Zadar County
Novigrad is a village and municipality in Croatia in the Zadar County. According to the 2001 census, there are 2,368 inhabitants, absolute majority which are Croats.- History :...

, the Turks were said to have 30,000 troops ready to attack Split. The Signoria
Signoria
A Signoria was an abstract noun meaning 'government; governing authority; de facto sovereignty; lordship in many of the Italian city states during the medieval and renaissance periods....

 send off two thousand soldiers with munitions and provisions to the threatened area. Although Split and Zadar
Zadar
Zadar is a city in Croatia on the Adriatic Sea. It is the centre of Zadar county and the wider northern Dalmatian region. Population of the city is 75,082 citizens...

 were strong fortresses, they were clearly in danger.

Venetian domination

In 1420, the Anjou
Anjou
Anjou is a former county , duchy and province centred on the city of Angers in the lower Loire Valley of western France. It corresponds largely to the present-day département of Maine-et-Loire...

 contender Ladislaus of Naples was defeated and forced to sail away for Naples
Naples
Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...

. Upon his departure he sold his "rights" to Dalmatia to the Venetian Republic
Republic of Venice
The Republic of Venice or Venetian Republic was a state originating from the city of Venice in Northeastern Italy. It existed for over a millennium, from the late 7th century until 1797. It was formally known as the Most Serene Republic of Venice and is often referred to as La Serenissima, in...

 for the relatively meager sum of 100,000 ducats. However, Klis and Klis Fortress remained parts of the Kingdom of Croatia. From that time, the Venetians were eager to take control over Klis, as the fortress was one of the region’s most important strategic points.

The Venetians fought for decades before they finally managed to re-take Klis. During the Candian War (1645–1669)
Cretan War (1645–1669)
The Cretan War or War of Candia , as the Fifth Ottoman–Venetian War is better known, was a conflict between the Republic of Venice and her allies against the Ottoman Empire and the Barbary States, fought over the island of Crete, Venice's largest and richest overseas possession...

, the Venetians in Dalmatia enjoyed the support of the local population, particularly the Morlachs
Morlachs
Morlachs were a population of Vlachs. In another version their name comes from the slavic terms of "morski-Vlasi" or Sea Vlachs...

 (Morlacchi). Venetian commander Leonardo Foscolo
Leonardo Foscolo
Leonardo Foscolo was a Venetian commander.During the Candian War , Leonardo Foscolo seized several forts, retook Novigrad, temporarily captured the Knin Fortress, and managed to compel the garrison of Klis Fortress to surrender.-Bibliography:...

 seized several forts, retook Novigrad
Novigrad, Zadar County
Novigrad is a village and municipality in Croatia in the Zadar County. According to the 2001 census, there are 2,368 inhabitants, absolute majority which are Croats.- History :...

, temporarily captured the Knin Fortress
Knin Fortress
Knin Fortress is a partially ruined fortress located just above Knin, Croatia. It is one of the biggest and most significant defensive strongholds, and a historical town in the Šibenik-Knin county in the Dalmatian hinterland. The construction of the fortress started as early as 9th century, while...

, and managed to compel the garrison of Klis Fortress to surrender. At the same time, a month-long siege of the Šibenik Fortress by the Ottomans in August and September failed.

From 1669, Klis Fortress was in the possession of the Venetians, and it remained so until the fall of the Venetian state. The Venetians restored and enlarged the fortress during their rule. After another, the seventh war with the Turks from 1714 to 1718, the Venetians were able to advance up to the present Bosnian/Croatian border, taking in the whole Sinjsko field and Imotski
Imotski
Imotski , is a small town situated on the northern side of Biokovo massif, Dalmatian hinterland, Croatia. The town was first mentioned as Imotski for the first time in the 10th century and it was held by the Turks from the fall of Bosnia until 1717 when it was captured by the Venetians. The town...

. Thereafter the Turkish menace was laid to rest and Venice had no serious challenge to its authority in Dalmatia, until Napoleon
Napoleon I
Napoleon Bonaparte was a French military and political leader during the latter stages of the French Revolution.As Napoleon I, he was Emperor of the French from 1804 to 1815...

 extinguished the republic itself in 1797. The border between Christian and Muslim Europe had been moved further east, and the fortress lost its main strategic importance. Subsequently, Klis was taken by the Austrians
Austrians
Austrians are a nation and ethnic group, consisting of the population of the Republic of Austria and its historical predecessor states who share a common Austrian culture and Austrian descent....

. The last military occupation of Klis Fortress was by Axis powers
Axis Powers
The Axis powers , also known as the Axis alliance, Axis nations, Axis countries, or just the Axis, was an alignment of great powers during the mid-20th century that fought World War II against the Allies. It began in 1936 with treaties of friendship between Germany and Italy and between Germany and...

 during World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

.

Architecture

Klis Fortress is one of the most valuable surviving examples of defensive architecture
Architecture
Architecture is both the process and product of planning, designing and construction. Architectural works, in the material form of buildings, are often perceived as cultural and political symbols and as works of art...

 in Dalmatia. The fortress is a remarkably comprehensive structure with three long rectangular defensive lines, consisting of three defensive stone walls
Defensive wall
A defensive wall is a fortification used to protect a city or settlement from potential aggressors. In ancient to modern times, they were used to enclose settlements...

, which are surrounding a central strongpoint, the "Položaj maggiore" at its eastern, highest end. "Položaj maggiore" or "Grand position" is a mixed Croatian-Italian term, dating from the time when Leonardo Foscolo captured the fortress for the Venetians in 1648. At that time, a village started to spread below the ramparts. The structures of the fortress are mostly irregular, as they were constructed to suit the natural topography. On the hills around Klis, there are several small towers, built by the Turks to keep the fortress under surveillance.

Fortress outskirts

The Klis Fortress rises on a bare cliff divided into two parts. The first, lower part is on the west, out topped by Mount Greben from the north. The second, higher part is on the east, and includes the Tower "Oprah", whose name most likely refers to a specific part in the defense. In this section which was not topped by any side, was located the flat of the Commander
Commander
Commander is a naval rank which is also sometimes used as a military title depending on the individual customs of a given military service. Commander is also used as a rank or title in some organizations outside of the armed forces, particularly in police and law enforcement.-Commander as a naval...

. The only entrance into the fortress is from the western side. On the southwest side of the fortress, and bellow it was a resort (part of modern village of Klis) called "borgo" or "suburbium", surrounded by double walls with 100–200 towers. A similar but smaller resort (also part of modern village of Klis) existed below Mount Greben on a plateau called Megdan. This included lazaretto
Lazaretto
A lazaretto or lazaret is a quarantine station for maritime travellers. Lazarets can be ships permanently at anchor, isolated islands, or mainland buildings. Until 1908, lazarets were also used for disinfecting postal items, usually by fumigation...

es and quarantine
Quarantine
Quarantine is compulsory isolation, typically to contain the spread of something considered dangerous, often but not always disease. The word comes from the Italian quarantena, meaning forty-day period....

s which were in Turkish times called "nazanama". There were also many inns for travellers, which were used for isolation during epidemics. Thus, the coastal towns, primarily the town of Split was protected from epidemics that came from Bosnia. Near the fortress, there were several sources of drinking water, and the closest was the "Holy Biblical Magi
Biblical Magi
The Magi Greek: μάγοι, magoi), also referred to as the Wise Men, Kings, Astrologers, or Kings from the East, were a group of distinguished foreigners who were said to have visited Jesus after his birth, bearing gifts of gold, frankincense and myrrh...

" whose importance was invaluable during long sieges.

Present appearance

The fortress was built into the south face of a rocky mass, and is barely discernable from the distance as a man-made structure. The defensive capabilities of the fortress have been tested through history in many military
Military
A military is an organization authorized by its greater society to use lethal force, usually including use of weapons, in defending its country by combating actual or perceived threats. The military may have additional functions of use to its greater society, such as advancing a political agenda e.g...

 operations. During the centuries of its use, the structure served various armies and has undergone a number of renovations, to keep up with the development of arms. The original appearance of the fortress is no longer known, due to the structural changes undertaken by Croatian nobility, Turks, Venetians and Austrians. The present day aspect of a mostly stone
Rock (geology)
In geology, rock or stone is a naturally occurring solid aggregate of minerals and/or mineraloids.The Earth's outer solid layer, the lithosphere, is made of rock. In general rocks are of three types, namely, igneous, sedimentary, and metamorphic...

 fortress dates back to the restructuring work carried out by the Venetians in the 17th century.

First defensive line

Many buildings of the Klis Fortress which are from 17th–19th century are partially or entirely preserved. The Fortress actually consists of three parts, enclosed by walls with separate entrances. The first main entrance was built by the Austrians in the early 19th century, on the place of an earlier Venetian entrance. Left of the entrance there is a fortification erected by the Venetians in the early 18th century. Also, near the main entrance there is a "position Avanzato" built in 1648, which was repeatedly renewed afterwards. On the ground floor of the fortification there is a narrow over-vaulted corridor, which is called a Casemate.

Second defensive line

The second entrance which was significantly damaged in the siege of 1648, leads to the former medieval part of the fortress previously ruled by a Croatian nobility. After 1648, Venetians fully restored the second entrance, but its present appearance was made by the Austrians during the early 19th century. Along the northern wall near the second entrance, there is fortress-tower called "Oprah", the most important medieval fortification of the western part of the fortress. It was mentioned for the first time in 1355, but later the Venetians made the lower crown on it. Nearby of the entrance are artillery barracks, built by the Austrians in the first half of the 19th century. In 1931 its upper floor was ruined, so now only the ground floor remains.

Third defensive line

The third entrance leads to the former medieval part built in the early Middle Ages. The Venetians renewed it several times after conquest in 1648, and the last upgrade was in 1763. Within this part of the fortress there is the side tower, built during the 18th century, and completed in 1763. Following is a repository of weapons built in the mid-17th century and old powder magazine from 18th century. "House of Dux" later called governor’s residence was rebuilt in the mid-17th century on the foundations of the oldest buildings from the period of Croatian kings. Austrians repaired this building, and there were placed commandments unity of the fortress and Engineering. On the top point of the fortress there was a "New gun powder storage", built in the early 19th century.

The oldest remaining building with the dome
Dome
A dome is a structural element of architecture that resembles the hollow upper half of a sphere. Dome structures made of various materials have a long architectural lineage extending into prehistory....

 and minaret
Minaret
A minaret مناره , sometimes مئذنه) is a distinctive architectural feature of Islamic mosques, generally a tall spire with an onion-shaped or conical crown, usually either free standing or taller than any associated support structure. The basic form of a minaret includes a base, shaft, and gallery....

, was a former square-shaped Turkish mosque
Mosque
A mosque is a place of worship for followers of Islam. The word is likely to have entered the English language through French , from Portuguese , from Spanish , and from Berber , ultimately originating in — . The Arabic word masjid literally means a place of prostration...

, built after the conquest of Klis in 1537 on the foundations of an earlier Old Croatian Catholic chapel. Immediately after liberation in 1648, the Venetians pulled down the minaret and converted it into a Roman Catholic church, dedicated to St. Vitus
Vitus
Saint Vitus was a Christian saint from Sicily. He died as a martyr during the persecution of Christians by co-ruling Roman Emperors Diocletian and Maximian in 303. Vitus is counted as one of the Fourteen Holy Helpers of the Roman Catholic Church....

 . It is a simple constructed square with the octagonal stone roof. There used to be three Altars, dedicated to St. Vid, Virgin Mary and St. Barbara, but today the church has no inventory. In the he church there is a Baroque stone sink from the 17th century, which served as a baptistery, where there is engraved the year of 1658. West of the church is the bastion of Bembo, the largest artillery position in the third defense line and in the whole fortress. It has wide holes for guns, and was built in the half of 17th century on the site of former Kružić's tower, and the defensive positions of Speranza.

Present day

The Klis Fortress has been developed as a visitor attraction by the "Kliški uskoci" re-enactment
Historical reenactment
Historical reenactment is an educational activity in which participants attempt torecreate some aspects of a historical event or period. This may be as narrow as a specific moment from a battle, such as the reenactment of Pickett's Charge at the Great Reunion of 1913, or as broad as an entire...

 association in Klis with the aid of the conservation department of the Ministry of Culture
Government of Croatia
The Government of the Republic of Croatia , commonly abbreviated to Croatian Government , is the main element of the executive branch of government in Croatia. It is led by the President of the Government , commonly abbreviated to premier...

 in Split. Visitors to the historic military structure can see an array of arms, armor, and traditional uniforms in a building which was formerly an Austrian armory. Klis is remembered in a Croatian byword based on the resistance of Klis and the strength of its people: It is difficult for Klis because it is on the rock and it is difficult for the rock because Klis is on it.

See also

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