Battle of the Eurymedon
Encyclopedia
The Battle of the Eurymedon was a double battle, taking place both on water and land, between the Delian League
Delian League
The Delian League, founded in circa 477 BC, was an association of Greek city-states, members numbering between 150 to 173, under the leadership of Athens, whose purpose was to continue fighting the Persian Empire after the Greek victory in the Battle of Plataea at the end of the Greco–Persian Wars...

 of Athens
Classical Athens
The city of Athens during the classical period of Ancient Greece was a notable polis of Attica, Greece, leading the Delian League in the Peloponnesian War against Sparta and the Peloponnesian League. Athenian democracy was established in 508 BC under Cleisthenes following the tyranny of Hippias...

 and her Allies, and the Persian Empire
Achaemenid Empire
The Achaemenid Empire , sometimes known as First Persian Empire and/or Persian Empire, was founded in the 6th century BCE by Cyrus the Great who overthrew the Median confederation...

 of Xerxes I. It took place in either 469 or 466 BC, in the vicinity of the mouth of the Eurymedon River (now the Köprüçay) in Pamphylia
Pamphylia
In ancient geography, Pamphylia was the region in the south of Asia Minor, between Lycia and Cilicia, extending from the Mediterranean to Mount Taurus . It was bounded on the north by Pisidia and was therefore a country of small extent, having a coast-line of only about 75 miles with a breadth of...

, Asia Minor
Asia Minor
Asia Minor is a geographical location at the westernmost protrusion of Asia, also called Anatolia, and corresponds to the western two thirds of the Asian part of Turkey...

 (modern day Turkey
Turkey
Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

). It forms part of the Wars of the Delian League
Wars of the Delian League
The Wars of the Delian League were a series of campaigns fought between the Delian League of Athens and her allies , and the Achaemenid Empire of Persia...

, itself part of the larger Greco-Persian Wars
Greco-Persian Wars
The Greco-Persian Wars were a series of conflicts between the Achaemenid Empire of Persia and city-states of the Hellenic world that started in 499 BC and lasted until 449 BC. The collision between the fractious political world of the Greeks and the enormous empire of the Persians began when Cyrus...

.

The Delian League had been formed between Athens and many of the city-states of the Aegean
Aegean Islands
The Aegean Islands are the group of islands in the Aegean Sea, with mainland Greece to the west and north and Turkey to the east; the island of Crete delimits the sea to the south, those of Rhodes, Karpathos and Kasos to the southeast...

 to continue the war with Persia, which had begun with the first
First Persian invasion of Greece
The first Persian invasion of Greece, during the Persian Wars, began in 492 BCE, and ended with the decisive Athenian victory at the Battle of Marathon in 490 BCE. The invasion, consisting of two distinct campaigns, was ordered by the Persian king Darius I primarily in order to punish the...

 and second
Second Persian invasion of Greece
The second Persian invasion of Greece occurred during the Greco-Persian Wars, as King Xerxes I of Persia sought to conquer all of Greece. The invasion was a direct, if delayed, response to the defeat of the first Persian invasion of Greece at the Battle of Marathon which ended Darius I's attempts...

 Persian invasions of Greece (492–490 and 480–479 BC, respectively). In the aftermath of the Battles of Plataea
Battle of Plataea
The Battle of Plataea was the final land battle during the second Persian invasion of Greece. It took place in 479 BC near the city of Plataea in Boeotia, and was fought between an alliance of the Greek city-states, including Sparta, Athens, Corinth and Megara, and the Persian Empire of Xerxes...

 and Mycale
Battle of Mycale
The Battle of Mycale was one of the two major battles that ended the second Persian invasion of Greece during the Greco-Persian Wars. It took place on or about August 27, 479 BC on the slopes of Mount Mycale, on the coast of Ionia, opposite the island of Samos...

, which had ended the second invasion, the Greek Allies had taken the offensive, besieging the cities of Sestos and Byzantium
Byzantium
Byzantium was an ancient Greek city, founded by Greek colonists from Megara in 667 BC and named after their king Byzas . The name Byzantium is a Latinization of the original name Byzantion...

. The Delian League then took over responsibility for the war, and continued to attack Persian bases in the Aegean throughout the next decade.

In either 469 or 466 BC, the Persians began assembling a large army and navy in order to launch a major offensive against the Greeks. Gathering near the Eurymedon, it is possible that the aim of the expedition was to move up the coast of Asia Minor, capturing each city in turn. This would bring the Asiatic Greek regions back under Persian control, and give the Persians naval bases from which to launch further expeditions into the Aegean. Hearing of the Persian preparations, the Athenian general Cimon took 200 triremes and sailed to Phaselis
Phaselis
Phaselis is an ancient Lycian city in the province of Antalya in Turkey. It is located between the Bey Mountains and the forests of Olympos National Park, 16 km west of the touristic town of Kemer and on the 57th kilometre of the Antalya–Kumluca highway...

 in Pamphylia
Pamphylia
In ancient geography, Pamphylia was the region in the south of Asia Minor, between Lycia and Cilicia, extending from the Mediterranean to Mount Taurus . It was bounded on the north by Pisidia and was therefore a country of small extent, having a coast-line of only about 75 miles with a breadth of...

, which eventually agreed to join the Delian League. This effectively blocked the Persian strategy at its first objective.

Cimon then moved to pre-emptively attack the Persian forces near the Eurymedon. Sailing into the mouth of the river, Cimon quickly routed the Persian fleet which was gathered there. Most of the Persian fleet made land-fall, and the sailors fled to the shelter of the Persian army. Cimon then landed the Greek marines and proceeded to attack the Persian army, which was also routed. The Greeks captured the Persian camp, taking many prisoners, and were able to destroy 200 beached Persian triremes. This stunning double victory seems to have greatly demoralised the Persians, and prevented any further Persian campaigning in the Aegean until at least 451 BC. However, the Delian League do not appear to have pressed home their advantage, probably because of other events in the Greek world which required their attention.

Sources & Chronology

Unfortunately, the military history of Greece between the end of the second Persian invasion of Greece
Second Persian invasion of Greece
The second Persian invasion of Greece occurred during the Greco-Persian Wars, as King Xerxes I of Persia sought to conquer all of Greece. The invasion was a direct, if delayed, response to the defeat of the first Persian invasion of Greece at the Battle of Marathon which ended Darius I's attempts...

 and the Peloponnesian War
Peloponnesian War
The Peloponnesian War, 431 to 404 BC, was an ancient Greek war fought by Athens and its empire against the Peloponnesian League led by Sparta. Historians have traditionally divided the war into three phases...

 (479–431 BC) is poorly attested by surviving ancient sources. This period, sometimes referred to as the pentekontaetia by ancient scholars, was a period of relative peace and prosperity within Greece. The richest source for the period, and also the most contemporary with it, is Thucydides's History of the Peloponnesian War
History of the Peloponnesian War
The History of the Peloponnesian War is an account of the Peloponnesian War in Ancient Greece, fought between the Peloponnesian League and the Delian League . It was written by Thucydides, an Athenian general who served in the war. It is widely considered a classic and regarded as one of the...

, which is generally considered by modern historians to be a reliable primary account. Thucydides only mentions this period in a digression on the growth of Athenian power in the run up to the Peloponnesian War, and the account is brief, probably selective and lacks any dates. Nevertheless, Thucydides's account can be, and is used by historians to draw up a skeleton chronology for the period, on to which details from archaeological records and other writers can be superimposed.

Much extra detail for the period is provided by Plutarch
Plutarch
Plutarch then named, on his becoming a Roman citizen, Lucius Mestrius Plutarchus , c. 46 – 120 AD, was a Greek historian, biographer, essayist, and Middle Platonist known primarily for his Parallel Lives and Moralia...

, in his biographies
Parallel Lives
Plutarch's Lives of the Noble Greeks and Romans, commonly called Parallel Lives or Plutarch's Lives, is a series of biographies of famous men, arranged in tandem to illuminate their common moral virtues or failings, written in the late 1st century...

 of Aristides
Aristides
Aristides , 530 BC – 468 BC was an Athenian statesman, nicknamed "the Just".- Biography :Aristides was the son of Lysimachus, and a member of a family of moderate fortune. Of his early life, it is only told that he became a follower of the statesman Cleisthenes and sided with the aristocratic party...

 and especially Cimon. Plutarch was writing some 600 years after the events in question, and is therefore very much a secondary source, but he often explicitly names his sources, which allows some degree of verification of his statements. In his biographies, he explicitly draws on many ancient histories which have not survived, and thus often preserves details of the period which are omitted in Thucydides's brief account. The final major extant source for the period is the universal history (Bibliotheca historica
Bibliotheca historica
Bibliotheca historica , is a work of universal history by Diodorus Siculus. It consisted of forty books, which were divided into three sections. The first six books are geographical in theme, and describe the history and culture of Egypt , of Mesopotamia, India, Scythia, and Arabia , of North...

) of the 1st century BC Sicilian, Diodorus Siculus
Diodorus Siculus
Diodorus Siculus was a Greek historian who flourished between 60 and 30 BC. According to Diodorus' own work, he was born at Agyrium in Sicily . With one exception, antiquity affords no further information about Diodorus' life and doings beyond what is to be found in his own work, Bibliotheca...

. Much of Diodorus's writing concerning this period seems to be derived from the much earlier Greek historian Ephorus
Ephorus
Ephorus or Ephoros , of Cyme in Aeolia, in Asia Minor, was an ancient Greek historian. Information on his biography is limited; he was the father of Demophilus, who followed in his footsteps as a historian, and to Plutarch's claim that Ephorus declined Alexander the Great's offer to join him on his...

, who also wrote a universal history. However, from what little we know of Ephorus, historians are generally disparaging towards his history. Diodorus, who has often been dismissed by modern historians, is therefore not a particularly good source for this period. Indeed, one of his translators, Oldfather, says of Diodorus's account of the Eurymedon campaign that "...the three preceding chapters reveal Diodorus in the worst light...". There is also a reasonable body of archaeological evidence for the period, of which inscriptions detailing probable tribute lists of the Delian League are particularly important.

Chronology

Thucydides provides a succinct list of the main events occurring between the end of the second Persian invasion and the outbreak of the Peloponnesian War
Peloponnesian War
The Peloponnesian War, 431 to 404 BC, was an ancient Greek war fought by Athens and its empire against the Peloponnesian League led by Sparta. Historians have traditionally divided the war into three phases...

, but almost no chronological information. Various attempts have been made to reassemble the chronology, but there is no definitive answer. The assumption central to these attempts is that Thucydides is describing the events in the appropriate chronological order. The one firmly accepted date is 465 BC for the beginning of the Siege of Thasos. This is based on an ancient scholiast's annotation of a copy of Aeschines
Aeschines
Aeschines was a Greek statesman and one of the ten Attic orators.-Life:Although it is known he was born in Athens, the records regarding his parentage and early life are conflicting; but it seems probable that his parents, though poor, were respectable. Aeschines' father was Atrometus, an...

's works. The scholiast notes that the Athenians met disaster at the 'Nine-Ways' in the archon
Archon
Archon is a Greek word that means "ruler" or "lord", frequently used as the title of a specific public office. It is the masculine present participle of the verb stem ἀρχ-, meaning "to rule", derived from the same root as monarch, hierarchy, and anarchy.- Ancient Greece :In ancient Greece the...

ship of Lysitheus (known to be 465/4 BC). Thucydides mentions this attack on the 'Nine-Ways' in connection with the beginning of the Siege of Thasos, and since Thucydides says that the siege ended in its third year, the Siege of Thasos therefore dates to ca.465–463 BC.

The Battle of Eurymedon has been dated to 469 BC by Plutarch's anecdote about the Archon Apsephion (469/468 BC) choosing Cimon and his fellow generals as judges in a competition. The implication is that Cimon had recently achieved a great victory, and the most likely candidate is Eurymedon. However, since the Battle of Eurymedon seems to have occurred after the Athenian siege of Naxos (but before the Siege of Thasos), the date of Eurymedon is clearly constrained by the date of Naxos. Whilst some accept a date of 469 or earlier for this Naxos, another school of thought places it as late as 467 BC. Since the Battle of Eurymedon seems to have occurred before Thasos, the alternative date for this battle would therefore be 466 BC. Modern historians are split, some supporting 469 BC as the most likely date, and others opting for 466 BC.

Background

The Greco-Persian Wars had their roots in the conquest of the Greek cities of Asia Minor
Asia Minor
Asia Minor is a geographical location at the westernmost protrusion of Asia, also called Anatolia, and corresponds to the western two thirds of the Asian part of Turkey...

, and in particular Ionia
Ionia
Ionia is an ancient region of central coastal Anatolia in present-day Turkey, the region nearest İzmir, which was historically Smyrna. It consisted of the northernmost territories of the Ionian League of Greek settlements...

, by the Persian Empire
Achaemenid Empire
The Achaemenid Empire , sometimes known as First Persian Empire and/or Persian Empire, was founded in the 6th century BCE by Cyrus the Great who overthrew the Median confederation...

 of Cyrus the Great
Cyrus the Great
Cyrus II of Persia , commonly known as Cyrus the Great, also known as Cyrus the Elder, was the founder of the Achaemenid Empire. Under his rule, the empire embraced all the previous civilized states of the ancient Near East, expanded vastly and eventually conquered most of Southwest Asia and much...

 shortly after 550 BC. The Persians found the Ionians difficult to rule, eventually settling for sponsoring a tyrant
Tyrant
A tyrant was originally one who illegally seized and controlled a governmental power in a polis. Tyrants were a group of individuals who took over many Greek poleis during the uprising of the middle classes in the sixth and seventh centuries BC, ousting the aristocratic governments.Plato and...

 in each Ionian city. While Greek states had in the past often been ruled by tyrants, this was a form of government on the decline. By 500 BC, Ionia appears to have been ripe for rebellion against these Persian place-men. The simmering tension finally broke into open revolt due to the actions of the tyrant of Miletus
Miletus
Miletus was an ancient Greek city on the western coast of Anatolia , near the mouth of the Maeander River in ancient Caria...

, Aristagoras
Aristagoras
Aristagoras was the leader of Miletus in the late 6th century BC and early 5th century BC.- Background :Aristagoras served as deputy governor of Miletus, a polis on the western coast of Anatolia around 500 BC. He was the son of Molpagoras, and son-in-law of Histiaeus, whom the Persians had set up...

. Attempting to save himself after a disastrous Persian-sponsored expedition
Siege of Naxos (499 BC)
The Siege of Naxos was a failed attempt by the Milesian tyrant Aristagoras, operating with support from, and in the name of the Persian Empire of Darius the Great, to conquer the island of Naxos...

 in 499 BC, Aristagoras chose to declare Miletus a democracy. This triggered similar revolutions across Ionia, and indeed Doris
Doris (Asia Minor)
Doris was a small region of ancient Asia Minor inhabited by Dorians; the territory is now in modern-day Turkey. Pliny says, Caria mediae Doridi circumfunditur ad mare utroque latere ambiens, by which he means that Doris is surrounded by Caria on all sides, except where it is bordered by the sea....

 and Aeolis
Aeolis
Aeolis or Aeolia was an area that comprised the west and northwestern region of Asia Minor, mostly along the coast, and also several offshore islands , where the Aeolian Greek city-states were located...

, beginning the Ionian Revolt
Ionian Revolt
The Ionian Revolt, and associated revolts in Aeolis, Doris, Cyprus and Caria, were military rebellions by several regions of Asia Minor against Persian rule, lasting from 499 BC to 493 BC...

.

The Greek states of Athens
History of Athens
Athens is one of the oldest named cities in the world, having been continuously inhabited for at least 7000 years. Situated in southern Europe, Athens became the leading city of Ancient Greece in the first millennium BCE and its cultural achievements during the 5th century BCE laid the foundations...

 and Eretria
Eretria
Erétria was a polis in Ancient Greece, located on the western coast of the island of Euboea, south of Chalcis, facing the coast of Attica across the narrow Euboean Gulf. Eretria was an important Greek polis in the 6th/5th century BC. However, it lost its importance already in antiquity...

 allowed themselves to be drawn into this conflict by Aristagoras, and during their only campaigning season (498 BC) they contributed to the capture and burning of the Persian regional capital of Sardis
Sardis
Sardis or Sardes was an ancient city at the location of modern Sart in Turkey's Manisa Province...

. After this, the Ionian Revolt carried on (without further outside aid) for a further 5 years, until it was finally completely crushed by the Persians. However, in a decision of great historic significance, the Persian king Darius the Great decided that, despite successfully subduing the revolt, there remained the unfinished business of exacting punishment on Athens and Eretria for supporting the revolt. The Ionian Revolt had severely threatened the stability of Darius's empire, and the states of mainland Greece would continue to threaten that stability unless dealt with. Darius thus began to contemplate the complete conquest of Greece, beginning with the destruction of Athens and Eretria.

In the next two decades there would be two Persian invasions of Greece, including some of the most famous battles in history. During the first invasion
First Persian invasion of Greece
The first Persian invasion of Greece, during the Persian Wars, began in 492 BCE, and ended with the decisive Athenian victory at the Battle of Marathon in 490 BCE. The invasion, consisting of two distinct campaigns, was ordered by the Persian king Darius I primarily in order to punish the...

, Thrace
Thrace
Thrace is a historical and geographic area in southeast Europe. As a geographical concept, Thrace designates a region bounded by the Balkan Mountains on the north, Rhodope Mountains and the Aegean Sea on the south, and by the Black Sea and the Sea of Marmara on the east...

, Macedon
Macedon
Macedonia or Macedon was an ancient kingdom, centered in the northeastern part of the Greek peninsula, bordered by Epirus to the west, Paeonia to the north, the region of Thrace to the east and Thessaly to the south....

 and the Aegean
Aegean Islands
The Aegean Islands are the group of islands in the Aegean Sea, with mainland Greece to the west and north and Turkey to the east; the island of Crete delimits the sea to the south, those of Rhodes, Karpathos and Kasos to the southeast...

 islands were added to the Persian Empire, and Eretria was duly destroyed. However, the invasion ended in 490 BC with the decisive Athenian victory at the Battle of Marathon
Battle of Marathon
The Battle of Marathon took place in 490 BC, during the first Persian invasion of Greece. It was fought between the citizens of Athens, aided by Plataea, and a Persian force commanded by Datis and Artaphernes. It was the culmination of the first attempt by Persia, under King Darius I, to subjugate...

. Between the two invasions, Darius died, and responsibility for the war passed to his son Xerxes I. Xerxes then led the second invasion
Second Persian invasion of Greece
The second Persian invasion of Greece occurred during the Greco-Persian Wars, as King Xerxes I of Persia sought to conquer all of Greece. The invasion was a direct, if delayed, response to the defeat of the first Persian invasion of Greece at the Battle of Marathon which ended Darius I's attempts...

 personally in 480 BC, taking an enormous (although oft-exaggerated) army and navy to Greece. Those Greeks who chose to resist (the 'Allies') were defeated in the twin battles of Thermopylae
Battle of Thermopylae
The Battle of Thermopylae was fought between an alliance of Greek city-states, led by King Leonidas of Sparta, and the Persian Empire of Xerxes I over the course of three days, during the second Persian invasion of Greece. It took place simultaneously with the naval battle at Artemisium, in August...

 and Artemisium
Battle of Artemisium
The Battle of Artemisium was a series of naval engagements over three days during the second Persian invasion of Greece. The battle took place simultaneously with the more famous land battle at Thermopylae, in August or September 480 BC, off the coast of Euboea and was fought between an alliance of...

 on land and at sea respectively. All of Greece except the Peloponnesus thus fell into Persian hands, but then seeking to finally destroy the Allied navy, the Persians suffered a decisive defeat at the Battle of Salamis
Battle of Salamis
The Battle of Salamis was fought between an Alliance of Greek city-states and the Persian Empire in September 480 BCE, in the straits between the mainland and Salamis, an island in the Saronic Gulf near Athens...

. The following year, 479 BC, the Allies assembled the largest Greek army yet seen and defeated the Persian invasion force at the Battle of Plataea
Battle of Plataea
The Battle of Plataea was the final land battle during the second Persian invasion of Greece. It took place in 479 BC near the city of Plataea in Boeotia, and was fought between an alliance of the Greek city-states, including Sparta, Athens, Corinth and Megara, and the Persian Empire of Xerxes...

, ending the invasion and the threat to Greece.

According to tradition, on the same day as Plataea, the Allied fleet defeated the demoralised remnants of the Persian fleet in the Battle of Mycale
Battle of Mycale
The Battle of Mycale was one of the two major battles that ended the second Persian invasion of Greece during the Greco-Persian Wars. It took place on or about August 27, 479 BC on the slopes of Mount Mycale, on the coast of Ionia, opposite the island of Samos...

. This action marks the end of the Persian invasion, and the beginning of the next phase in the Greco-Persian wars, the Greek counterattack. After Mycale, the Greek cities of Asia Minor again revolted, with the Persians now powerless to stop them. The Allied fleet then sailed to the Chersonesos
Thracian Chersonese
The Thracian Chersonese was the ancient name of the Gallipoli peninsula, in the part of historic Thrace that is now part of modern Turkey.The peninsula runs in a south-westerly direction into the Aegean Sea, between the Hellespont and the bay of Melas . Near Agora it was protected by a wall...

, still held by the Persians, and besieged and captured the town of Sestos. The following year, 478 BC, the Allies sent a force to capture the city of Byzantium
Byzantium
Byzantium was an ancient Greek city, founded by Greek colonists from Megara in 667 BC and named after their king Byzas . The name Byzantium is a Latinization of the original name Byzantion...

 (modern day Istanbul
Istanbul
Istanbul , historically known as Byzantium and Constantinople , is the largest city of Turkey. Istanbul metropolitan province had 13.26 million people living in it as of December, 2010, which is 18% of Turkey's population and the 3rd largest metropolitan area in Europe after London and...

). The siege was successful, but the behaviour of the Spartan general Pausanias
Pausanias (general)
Pausanias was a Spartan general of the 5th century BC. He was the son of Cleombrotus and nephew of Leonidas I, serving as regent after the latter's death, since Leonidas' son Pleistarchus was still under-age. Pausanias was also the father of Pleistoanax, who later became king, and Cleomenes...

 alienated many of the Allies, and resulted in Pausanias's recall. The siege of Byzantium was the last action of the Hellenic alliance which had defeated the Persian invasion.

After Byzantium, Sparta was eager to end her involvement in the war. The Spartans were of the view that, with the liberation of mainland Greece, and the Greek cities of Asia Minor, the war's purpose had already been reached. There was also perhaps a feeling that securing long-term security for the Asian Greeks would prove impossible. The loose alliance of city states which had fought against Xerxes's invasion had been dominated by Sparta and the Peloponnesian league. With the Spartan withdrawal, the leadership of the Greeks now explicitly passed to the Athenians. A congress was called on the holy island of Delos
Delos
The island of Delos , isolated in the centre of the roughly circular ring of islands called the Cyclades, near Mykonos, is one of the most important mythological, historical and archaeological sites in Greece...

 to institute a new alliance to continue the fight against the Persians. This alliance, now including many of the Aegean islands, was formally constituted as the 'First Athenian Alliance', commonly known as the Delian League
Delian League
The Delian League, founded in circa 477 BC, was an association of Greek city-states, members numbering between 150 to 173, under the leadership of Athens, whose purpose was to continue fighting the Persian Empire after the Greek victory in the Battle of Plataea at the end of the Greco–Persian Wars...

. According to Thucydides, the official aim of the League was to "avenge the wrongs they suffered by ravaging the territory of the king." Forces of the Delian League spent much of the next decade expelling the remaining Persian garrisons from Thrace
Thrace
Thrace is a historical and geographic area in southeast Europe. As a geographical concept, Thrace designates a region bounded by the Balkan Mountains on the north, Rhodope Mountains and the Aegean Sea on the south, and by the Black Sea and the Sea of Marmara on the east...

, and expanding the Aegean territory controlled by the League.

Prelude

Once the Persian forces in Europe had largely been neutralised, the Athenians seem to have gone about starting to extend the League in Asia Minor. The islands of Samos, Chios and Lesbos seem to have become members of the original Hellenic alliance after Mycale, and presumably were also therefore original members of the Delian League. However, it is unclear exactly when the other Ionian cities, or indeed the other Greek cities of Asia Minor, joined the league, though they certainly did at some point. Thucydides attests the presence of Ionians at Byzantium in 478 BC, so it is possible that at least some of the Ionian cities joined the league in early 478 BC. The Athenian politician Aristides
Aristides
Aristides , 530 BC – 468 BC was an Athenian statesman, nicknamed "the Just".- Biography :Aristides was the son of Lysimachus, and a member of a family of moderate fortune. Of his early life, it is only told that he became a follower of the statesman Cleisthenes and sided with the aristocratic party...

 was said to have died in Pontus
Pontus
Pontus or Pontos is a historical Greek designation for a region on the southern coast of the Black Sea, located in modern-day northeastern Turkey. The name was applied to the coastal region in antiquity by the Greeks who colonized the area, and derived from the Greek name of the Black Sea: Πόντος...

 (c. 468 BC) whilst on public business. Given that Aristides was responsible for organising the financial contributions of each League member, this trip may have been connected with expansion of the League into Asia Minor.

Cimon's Eurymedon campaign itself seems to have begun in response to the assembly of a large Persian fleet and army at Aspendos, near the mouth of the Eurymedon River. It is usually argued that the Persians were the would-be aggressors, and that Cimon's campaign was launched in order to deal with this new threat. Cawkwell suggests that the Persian build-up was the first concerted attempt to counter the activity of the Greeks since the failure of the second invasion. It is possible that internal strife within the Persian empire had contributed to the length of time it took to launch this campaign. Cawkwell outlines the Persian strategic problems:
"Persia was a land power which used its naval forces in close conjunction with its armies, not free ranging in enemy waters. In any case, secure naval bases were necessary. In the Ionian Revolt with land forces already operating in Ionia and elsewhere along the Aegean seaboard, it was easy for a Royal army and navy to deal with the revolt, but in view of the general revolt of the [Ionian] cities in 479 BC and the subsequent successes of the Greek navies the only way for Persia must have seemed to be to move along the coast restoring order in city after city, with fleet and army moving together."
The nature of naval warfare in the Ancient world, dependent as it was on large teams of rowers, meant that ships would have to make landfall every few days in order to take on adequate supplies of food and water. This severely limited the range of an Ancient fleet, and essentially meant that navies could only operate in the vicinity of secure naval bases. Cawkwell therefore suggests that the Persian forces gathered at Aspendos were aiming to move along the southern coast of Asia Minor, capturing each city, until eventually the Persian navy could begin operating in Ionia again. Alexander the Great would employ this strategy in reverse in winter of 333 BC. Lacking a navy with which to take on the Persians, Alexander settled instead for denying the Persian navy suitable bases, by capturing the ports of southern Asia Minor.

Plutarch says that upon hearing that the Persian forces were gathering at Aspendos, Cimon sailed from Cnidus (in Caria
Caria
Caria was a region of western Anatolia extending along the coast from mid-Ionia south to Lycia and east to Phrygia. The Ionian and Dorian Greeks colonized the west of it and joined the Carian population in forming Greek-dominated states there...

) with 200 triremes. It is highly likely that Cimon had assembled this force because the Athenians had had some warning of a forthcoming Persian campaign to re-subjugate the Asiatic Greeks. Certainly, no other league business would have required such a great force. Cimon may have been waiting in Caria because he expected the Persians to march straight into Ionia, along the Royal road from Sardis. According to Plutarch, Cimon sailed with these 200 triremes to the Greek city of Phaselis
Phaselis
Phaselis is an ancient Lycian city in the province of Antalya in Turkey. It is located between the Bey Mountains and the forests of Olympos National Park, 16 km west of the touristic town of Kemer and on the 57th kilometre of the Antalya–Kumluca highway...

 (in Lycia
Lycia
Lycia Lycian: Trm̃mis; ) was a region in Anatolia in what are now the provinces of Antalya and Muğla on the southern coast of Turkey. It was a federation of ancient cities in the region and later a province of the Roman Empire...

) but was refused admittance. He therefore began ravaging the lands of Phaselis, but with the mediation of the Chian
Chios
Chios is the fifth largest of the Greek islands, situated in the Aegean Sea, seven kilometres off the Asia Minor coast. The island is separated from Turkey by the Chios Strait. The island is noted for its strong merchant shipping community, its unique mastic gum and its medieval villages...

 contingent of his fleet, the people of Phaselis agreed to join the league. They were to contribute troops to the expedition, and to pay the Athenians ten talent
Attic talent
The Attic talent , also known as the Athenian talent or Greek talent, is an ancient unit of mass equal to 26 kg, as well as a unit of value equal to this amount of pure silver. A talent was originally intended to be the mass of water required to fill an amphora . At the 2009 price of $414/kg, a...

s. The fact that Cimon pre-emptively sailed to and captured Phaselis suggests that he anticipated a Persian campaign to capture the coastal cities (as outlined above). The presence of both army and navy at Aspendos may have persuaded him that there was to be no immediate assault on Ionia. By capturing Phaselis, the furthest east Greek city in Asia Minor (and just to the west of the Eurymedon), he effectively blocked the Persian campaign before it had begun, denying them the first naval base they needed to control. Taking further initiative, Cimon then moved to directly attack the Persian fleet at Aspendos.

Greek

According to Plutarch, the League fleet consisted of 200 trireme
Trireme
A trireme was a type of galley, a Hellenistic-era warship that was used by the ancient maritime civilizations of the Mediterranean, especially the Phoenicians, ancient Greeks and Romans.The trireme derives its name from its three rows of oars on each side, manned with one man per oar...

s. These were of the sleek Athenian aphract (deckless) design, originally developed by Themistocles
Themistocles
Themistocles ; c. 524–459 BC, was an Athenian politician and a general. He was one of a new breed of politicians who rose to prominence in the early years of the Athenian democracy, along with his great rival Aristides...

 primarily for ramming actions, although they had been modified by Cimon to improve their suitability for boarding actions.

The standard complement of a trireme was 200 men, including 14 marines. In the second Persian invasion of Greece, each Persian ship had carried thirty extra marines, and this was probably also true in the first invasion when the whole invasion force was apparently carried in triremes. Furthermore, the Chian
Chios
Chios is the fifth largest of the Greek islands, situated in the Aegean Sea, seven kilometres off the Asia Minor coast. The island is separated from Turkey by the Chios Strait. The island is noted for its strong merchant shipping community, its unique mastic gum and its medieval villages...

 ships at the Battle of Lade
Battle of Lade
The Battle of Lade was a naval battle which occurred during the Ionian Revolt, in 494 BC. It was fought between an alliance of the Ionian cities and the Persian Empire of Darius the Great, and resulted in a decisive victory for the Persians which all but ended the revolt.The Ionian Revolt was...

 also carried 40 marines each. This suggests that a trireme could probably carry a maximum of 40–45 soldiers—triremes seem to have been easily destabilised by extra weight. There were therefore probably around 5,000 hoplite
Hoplite
A hoplite was a citizen-soldier of the Ancient Greek city-states. Hoplites were primarily armed as spearmen and fought in a phalanx formation. The word "hoplite" derives from "hoplon" , the type of the shield used by the soldiers, although, as a word, "hopla" could also denote weapons held or even...

 marines with the League fleet.

Persian

Several different estimates for the size of the Persian fleet are given. Thucydides says that there was a fleet of 200 Phoenician ships, and is generally considered the most reliable source. Plutarch gives numbers of 350 from Ephorus
Ephorus
Ephorus or Ephoros , of Cyme in Aeolia, in Asia Minor, was an ancient Greek historian. Information on his biography is limited; he was the father of Demophilus, who followed in his footsteps as a historian, and to Plutarch's claim that Ephorus declined Alexander the Great's offer to join him on his...

 and 600 from Phanodemus. Furthermore, Plutarch says that the Persian fleet was awaiting 80 Phoenician ships sailing from Cyprus. Although Thucydides's account is generally to be favoured, there may an element of truth in Plutarch's assertion that the Persians were awaiting further reinforcements; this would explain why Cimon was able to launch a pre-emptive assault on them. There are no estimates in the ancient sources for the size of the Persian land army. However, the number of Persian marines accompanying the fleet was presumably in the same range as the number of Greek marines (ca. 5,000), since the Persian ships carried the same complement of troops. Plutarch quotes Ephorus as saying that Tithraustes was commander of the royal fleet, and Pherendatis of the infantry, but says that Callisthenes named Ariomandes as overall commander.

Battle

Thucydides gives only the barest of details for this battle; the most reliable detailed account is given by Plutarch. According to Plutarch, the Persian fleet was anchored off the mouth of the Eurymedon, awaiting the arrival of 80 Phoenician ships from Cyprus. Cimon, sailing from Phaselis, made to attack the Persians before the reinforcements arrived, whereupon the Persian fleet, eager to avoid fighting, retreated into the river itself. However, when Cimon continued to bear down on the Persians, they accepted battle. Regardless of their numbers, the Persian battle line was quickly breached, and the Persian ships then turned about, and made for the river bank. Grounding their ships, the crews sought sanctuary with the army waiting nearby. Some ships may have been captured or destroyed during the naval battle, but it seems likely that most were able to land.

The Persian army now began to move towards the Greek fleet, which had presumably also grounded itself in order to capture the Persian ships. Despite the weariness of his troops after this first battle, Cimon, seeing "that his men were exalted by the impetus and pride of their victory, and eager to come to close quarters with the Barbarians", landed the marines and proceeded to attack the Persian army. Initially the Persian line held the Athenian assault, but eventually, as at the Battle of Mycale
Battle of Mycale
The Battle of Mycale was one of the two major battles that ended the second Persian invasion of Greece during the Greco-Persian Wars. It took place on or about August 27, 479 BC on the slopes of Mount Mycale, on the coast of Ionia, opposite the island of Samos...

, the heavily armoured hoplites proved superior, and routed the Persian army. Fleeing back to their camp, the Persians were then captured, along with their camp, by the victorious Greeks.

Thucydides says that 200 Phoenician ships were captured and destroyed. It is highly unlikely that this occurred during the apparently brief naval battle, so these were probably grounded ships captured after the battle and destroyed with fire, as has been the case at Mycale. Plutarch says that 200 ships were captured, in addition to those which were destroyed, or which fled. It is possible that 'destroyed' in this context means sunk during the battle, since the Greeks would almost certainly have destroyed the ships that they captured as well (as Thucydides indeed implies). Since Thucydides only explicitly gives the number of ships destroyed, it is possible to reconcile Plutarch's and Thucydides's numbers, but it is not clear that this is the best approach. There are no estimates in the ancient sources for casualties amongst the troops of either side.

Plutarch says that, following his double victory, "though like a powerful athlete he had brought down two contests in one day...Cimon still went on competing with his own victories." Cimon supposedly sailed with the Greek fleet as quickly as possible to intercept the fleet of 80 Phoenician ships which the Persians had been expecting. Taking them by surprise, he captured or destroyed the entire fleet. However, Thucydides does not mention this subsidiary action, and some have cast doubt on whether it actually happened.

Aftermath

According to Plutarch, one tradition had it that the Persian king (who at the time would still have been Xerxes) agreed a humiliating peace treaty in the aftermath of the Eurymedon. However, as Plutarch admits, other authors denied that such a peace was made at this time, and the more logical date for any peace treaty would have been after the Cyprus campaign of 450 BC. The alternative suggested by Plutarch is that the Persian king acted as if he had made a humiliating peace with the Greeks, because he was so fearful of engaging in battle with them again. It is generally considered unlikely by modern historians that a peace treaty was made in the aftermath of Eurymedon.

The Eurymedon was a highly significant victory for the Delian League, which probably ended once and for all the threat of another Persian invasion of Greece. It also seems to have prevented any Persian attempt to reconquer the Asiatic Greeks until at least 451 BC. The accession of further cities of Asia Minor to the Delian league, particularly from Caria, probably followed Cimon's campaign there.

Despite Cimon's massive victory, something of a stalemate developed between Persia and the League. The Greeks do not appear to have pressed their advantage home in a meaningful way. If the later date of 466 BC for the Eurymedon campaign is accepted, this might be because the revolt in Thasos meant that resources were diverted away from Asia Minor to prevent the Thasians seceding from the League. Conversely, as Plutarch suggests, the Persians adopted a very defensive strategy in the Aegean for the next decade and a half. The Persian fleet was effectively absent from the Aegean until 451 BC, and Greek ships were able to ply the coasts of Asia Minor with impunity. The next major Delian League campaign against the Persian would only occur in 460 BC, when the Athenians decided to support a revolt in the Egyptian satrapy of the Persian empire. This campaign would last 6 years, before eventually ending in disaster for the Greeks.

Primary Sources

  • Herodotus
    Herodotus
    Herodotus was an ancient Greek historian who was born in Halicarnassus, Caria and lived in the 5th century BC . He has been called the "Father of History", and was the first historian known to collect his materials systematically, test their accuracy to a certain extent and arrange them in a...

    , The Histories
  • Thucydides
    Thucydides
    Thucydides was a Greek historian and author from Alimos. His History of the Peloponnesian War recounts the 5th century BC war between Sparta and Athens to the year 411 BC...

    , History of the Peloponnesian War
  • Xenophon
    Xenophon
    Xenophon , son of Gryllus, of the deme Erchia of Athens, also known as Xenophon of Athens, was a Greek historian, soldier, mercenary, philosopher and a contemporary and admirer of Socrates...

    , Hellenica
  • Diodorus Siculus, Biblioteca Historica
  • Plutarch
    Plutarch
    Plutarch then named, on his becoming a Roman citizen, Lucius Mestrius Plutarchus , c. 46 – 120 AD, was a Greek historian, biographer, essayist, and Middle Platonist known primarily for his Parallel Lives and Moralia...

    , Parallel Lives
    Parallel Lives
    Plutarch's Lives of the Noble Greeks and Romans, commonly called Parallel Lives or Plutarch's Lives, is a series of biographies of famous men, arranged in tandem to illuminate their common moral virtues or failings, written in the late 1st century...

    Aristides
    Aristides
    Aristides , 530 BC – 468 BC was an Athenian statesman, nicknamed "the Just".- Biography :Aristides was the son of Lysimachus, and a member of a family of moderate fortune. Of his early life, it is only told that he became a follower of the statesman Cleisthenes and sided with the aristocratic party...

    , Cimon, Themistocles
    Themistocles
    Themistocles ; c. 524–459 BC, was an Athenian politician and a general. He was one of a new breed of politicians who rose to prominence in the early years of the Athenian democracy, along with his great rival Aristides...

  • Ctesias, Persica (from Photios's Epitome)
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