Chinese exploration
Encyclopedia
Chinese exploration includes exploratory Chinese
History of China
Chinese civilization originated in various regional centers along both the Yellow River and the Yangtze River valleys in the Neolithic era, but the Yellow River is said to be the Cradle of Chinese Civilization. With thousands of years of continuous history, China is one of the world's oldest...

 travels abroad, on land and by sea, from the 2nd century BC until the 15th century.

Pamir Mountains and beyond

By traveling past the Tarim Basin
Tarim Basin
The Tarim Basin is a large endorheic basin occupying an area of about . It is located in the Xinjiang Uyghur Autonomous Region in China's far west. Its northern boundary is the Tian Shan mountain range and its southern is the Kunlun Mountains on the northern edge of the Tibetan Plateau. The...

 region, the Chinese of the Han Dynasty
Han Dynasty
The Han Dynasty was the second imperial dynasty of China, preceded by the Qin Dynasty and succeeded by the Three Kingdoms . It was founded by the rebel leader Liu Bang, known posthumously as Emperor Gaozu of Han. It was briefly interrupted by the Xin Dynasty of the former regent Wang Mang...

 learned of powerful kingdoms in Central Asia
Central Asia
Central Asia is a core region of the Asian continent from the Caspian Sea in the west, China in the east, Afghanistan in the south, and Russia in the north...

, Persia, India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

, and the Middle East
Middle East
The Middle East is a region that encompasses Western Asia and Northern Africa. It is often used as a synonym for Near East, in opposition to Far East...

 with the travels of the Han Dynasty
Han Dynasty
The Han Dynasty was the second imperial dynasty of China, preceded by the Qin Dynasty and succeeded by the Three Kingdoms . It was founded by the rebel leader Liu Bang, known posthumously as Emperor Gaozu of Han. It was briefly interrupted by the Xin Dynasty of the former regent Wang Mang...

 envoy
Envoy (title)
In diplomacy, an Envoy Extraordinary and Minister Plenipotentiary is, under the terms of the Congress of Vienna of 1815, a diplomat of the second class, ranking between an Ambassador and a Minister Resident....

 Zhang Qian
Zhang Qian
Zhang Qian was an imperial envoy to the world outside of China in the 2nd century BCE, during the time of the Han Dynasty...

 in the 2nd century BC. From 104 BC to 102 BC Emperor Wu of Han
Emperor Wu of Han
Emperor Wu of Han , , personal name Liu Che , was the seventh emperor of the Han Dynasty of China, ruling from 141 BC to 87 BC. Emperor Wu is best remembered for the vast territorial expansion that occurred under his reign, as well as the strong and centralized Confucian state he organized...

 waged war against the Yuezhi
Yuezhi
The Yuezhi, or Rouzhi , also known as the Da Yuezhi or Da Rouzhi , were an ancient Central Asian people....

 who controlled Dayuan
Dayuan
The Dayuan or Ta-Yuan were a people of Ferghana in Central Asia, described in the Chinese historical works of Records of the Grand Historian and the Book of Han. It is mentioned in the accounts of the famous Chinese explorer Zhang Qian in 130 BCE and the numerous embassies that followed him into...

, a Hellenized kingdom of Fergana
Fergana
Fergana is a city , the capital of Fergana Province in eastern Uzbekistan, at the southern edge of the Fergana Valley in southern Central Asia, cutting across the borders of Kyrgyzstan, Tajikistan, and Uzbekistan...

 established by Alexander the Great in 329 BC. Gan Ying
Gan Ying
Gan Ying , was a Chinese military ambassador who was sent on a mission to Rome in 97 CE by the Chinese general Ban Chao.Although Gan Ying never reached Rome, only travelling to as far as the Parthian coast of the Persian Gulf, he is, at least in the historical records, the Chinese who went the...

, the emissary of General Ban Chao
Ban Chao
Ban Chao , courtesy name Zhongsheng , was born in Xianyang, Shaanxi, and the younger brother of the famous historian, Ban Gu who, with his father Ban Biao, and sister, Ban Zhao, wrote the famous Hanshu, or 'History of the Former Han Dynasty'....

, perhaps traveled as far as Roman
Roman Empire
The Roman Empire was the post-Republican period of the ancient Roman civilization, characterised by an autocratic form of government and large territorial holdings in Europe and around the Mediterranean....

-era Syria
Syria
Syria , officially the Syrian Arab Republic , is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the West, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest....

 in the late 1st century AD. After these initial discoveries the focus of Chinese exploration shifted to the maritime sphere, although the Silk Road
Silk Road
The Silk Road or Silk Route refers to a historical network of interlinking trade routes across the Afro-Eurasian landmass that connected East, South, and Western Asia with the Mediterranean and European world, as well as parts of North and East Africa...

 leading all the way to Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

 continued to be China's most lucrative source of trade. Later, the Buddhist Xuanzang
Xuanzang
Xuanzang was a famous Chinese Buddhist monk, scholar, traveler, and translator who described the interaction between China and India in the early Tang period...

 traveled from Chang'an
Chang'an
Chang'an is an ancient capital of more than ten dynasties in Chinese history, today known as Xi'an. Chang'an literally means "Perpetual Peace" in Classical Chinese. During the short-lived Xin Dynasty, the city was renamed "Constant Peace" ; yet after its fall in AD 23, the old name was restored...

 to the west on land in his starting and returning journeys.

South China Sea

Before the advent of the Chinese-invented mariner's compass
Compass
A compass is a navigational instrument that shows directions in a frame of reference that is stationary relative to the surface of the earth. The frame of reference defines the four cardinal directions – north, south, east, and west. Intermediate directions are also defined...

 in the 11th century, the seasonal monsoon
Monsoon
Monsoon is traditionally defined as a seasonal reversing wind accompanied by corresponding changes in precipitation, but is now used to describe seasonal changes in atmospheric circulation and precipitation associated with the asymmetric heating of land and sea...

 winds aided one in navigation, blowing north from the equatorial zone in the summer and south in the winter. This most likely accounts for the ease in which Neolithic
Neolithic
The Neolithic Age, Era, or Period, or New Stone Age, was a period in the development of human technology, beginning about 9500 BC in some parts of the Middle East, and later in other parts of the world. It is traditionally considered as the last part of the Stone Age...

 age travelers from mainland China could to settle on the island of Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

 in prehistoric times. After defeating the last of the Warring States and consolidating an empire over China proper
China proper
China proper or Eighteen Provinces was a term used by Western writers on the Qing Dynasty to express a distinction between the core and frontier regions of China. There is no fixed extent for China proper, as many administrative, cultural, and linguistic shifts have occurred in Chinese history...

, the Chinese navy of the Qin Dynasty
Qin Dynasty
The Qin Dynasty was the first imperial dynasty of China, lasting from 221 to 207 BC. The Qin state derived its name from its heartland of Qin, in modern-day Shaanxi. The strength of the Qin state was greatly increased by the legalist reforms of Shang Yang in the 4th century BC, during the Warring...

 period (221 BC—207 BC) sailed down into the South China Sea
South China Sea
The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...

 and conquered the peoples of modern-day Guangzhou
Guangzhou
Guangzhou , known historically as Canton or Kwangchow, is the capital and largest city of the Guangdong province in the People's Republic of China. Located in southern China on the Pearl River, about north-northwest of Hong Kong, Guangzhou is a key national transportation hub and trading port...

 and northern Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

 (then called Jiaozhi
Tonkin
Tonkin , also spelled Tongkin, Tonquin or Tongking, is the northernmost part of Vietnam, south of China's Yunnan and Guangxi Provinces, east of northern Laos, and west of the Gulf of Tonkin. Locally, it is known as Bắc Kỳ, meaning "Northern Region"...

 and then Annam
Annam (Chinese Province)
Annam or Jiaozhi was the southernmost province of the Chinese Empire. It is now part of present-day Vietnam...

). The northern half of Vietnam would not become fully independent from Chinese rule until the 10th century (938 AD). In 1975, an ancient shipyard
Shipyard
Shipyards and dockyards are places which repair and build ships. These can be yachts, military vessels, cruise liners or other cargo or passenger ships. Dockyards are sometimes more associated with maintenance and basing activities than shipyards, which are sometimes associated more with initial...

 excavated in Guangzhou was dated to the early Han Dynasty
Han Dynasty
The Han Dynasty was the second imperial dynasty of China, preceded by the Qin Dynasty and succeeded by the Three Kingdoms . It was founded by the rebel leader Liu Bang, known posthumously as Emperor Gaozu of Han. It was briefly interrupted by the Xin Dynasty of the former regent Wang Mang...

 (202 BC –220 AD), and with three platforms was able to construct ships that were approximately 30 m (98 ft) in length, 8 m (26 ft) in width, and could hold a weight of 60 metric tons.

In 403 a rebel of Eastern Jin known as Lu Xun managed to fend off an attack by the imperial army for a hundred days before he sailed down into the South China Sea
South China Sea
The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...

 from a coastal commandery. For six years, Lu Xun occupied Panyu
Panyu
Panyu District or Pun Yue District is a district in Guangzhou, Guangdong, China. It used to be a county-level city before it was incorporated in the administration of Guangzhou. The name of Panyu dates back to the completion of the conquest of Guangdong by Qin Shi Huang. It was the old name of...

, the largest southern seaport of that time.

Travellers from Wu kingdom like Zhu Ying and Kang Tai are known to have visited Cambodia
Cambodia
Cambodia , officially known as the Kingdom of Cambodia, is a country located in the southern portion of the Indochina Peninsula in Southeast Asia...

 between 226-231, and reported to have met two Chinese envoys there sent by the India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

n king. Although two books which they wrote have not survived, fragments remain in the Shuijingzhu, Yiwen Leiju
Yiwen Leiju
The Yiwen Leiju is a Chinese encyclopedia completed during the Tang Dynasty by the calligrapher Ouyang Xun.It was divided into 47 sections and many subsections. It covered all subjects and contains many quotations from older works, many long lost. It also cites its sources. It was completed by...

, etc.

Indian Ocean and beyond

Chinese envoys sailed into the Indian Ocean
Indian Ocean
The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

 from the late 2nd century BC, and reportedly reached Kanchipuram
Kanchipuram
Kanchipuram, or Kanchi, is a temple city and a municipality in Kanchipuram district in the Indian state of Tamil Nadu. It is a temple town and the headquarters of Kanchipuram district...

, known as Huangzi (黄支) to them, or otherwise Ethiopia
Ethiopia
Ethiopia , officially known as the Federal Democratic Republic of Ethiopia, is a country located in the Horn of Africa. It is the second-most populous nation in Africa, with over 82 million inhabitants, and the tenth-largest by area, occupying 1,100,000 km2...

 as asserted by Ethiopian scholars. During the late 4th and early 5th centuries, Chinese pilgrims like Faxian
Faxian
Faxian was a Chinese Buddhist monk who traveled to India, Sri Lanka and Kapilavastu in today's Nepal between 399 and 412 to acquire Buddhist scriptures...

, Zhiyan, and Tanwujie began traveling by sea to India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

, bringing back Buddhist scriptures and sutra
Sutra
Sūtra is an aphorism or a collection of such aphorisms in the form of a manual. Literally it means a thread or line that holds things together and is derived from the verbal root siv-, meaning to sew , as does the medical term...

s to China. By the 7th century as many as 31 recorded Chinese monks including I Ching
I Ching (monk)
Yijing was a Tang Dynasty Chinese Buddhist monk, originally named Zhang Wenming . The written records of his travels contributed to the world knowledge of the ancient kingdom of Srivijaya, as well as providing information about the other kingdoms lying on the route between China and the Nālandā...

 managed to reach India the same way. In 674 the private explorer Daxi Hongtong was among the first to end his journey at the southern tip of the Arabian Peninsula
Arabian Peninsula
The Arabian Peninsula is a land mass situated north-east of Africa. Also known as Arabia or the Arabian subcontinent, it is the world's largest peninsula and covers 3,237,500 km2...

, after traveling through 36 countries west of the South China Sea.

Chinese seafaring merchants and diplomats of the medieval Tang Dynasty
Tang Dynasty
The Tang Dynasty was an imperial dynasty of China preceded by the Sui Dynasty and followed by the Five Dynasties and Ten Kingdoms Period. It was founded by the Li family, who seized power during the decline and collapse of the Sui Empire...

 (618—907) and Song Dynasty
Song Dynasty
The Song Dynasty was a ruling dynasty in China between 960 and 1279; it succeeded the Five Dynasties and Ten Kingdoms Period, and was followed by the Yuan Dynasty. It was the first government in world history to issue banknotes or paper money, and the first Chinese government to establish a...

 (960—1279) often sailed into the Indian Ocean after visiting ports in South East Asia. Chinese sailors would travel to Malaya
Malay Peninsula
The Malay Peninsula or Thai-Malay Peninsula is a peninsula in Southeast Asia. The land mass runs approximately north-south and, at its terminus, is the southern-most point of the Asian mainland...

, India, Sri Lanka, into the Persian Gulf
Persian Gulf
The Persian Gulf, in Southwest Asia, is an extension of the Indian Ocean located between Iran and the Arabian Peninsula.The Persian Gulf was the focus of the 1980–1988 Iran-Iraq War, in which each side attacked the other's oil tankers...

 and up the Euphrates
Euphrates
The Euphrates is the longest and one of the most historically important rivers of Western Asia. Together with the Tigris, it is one of the two defining rivers of Mesopotamia...

 River in modern-day Iraq
Iraq
Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

, to the Arabian peninsula and into the Red Sea
Red Sea
The Red Sea is a seawater inlet of the Indian Ocean, lying between Africa and Asia. The connection to the ocean is in the south through the Bab el Mandeb strait and the Gulf of Aden. In the north, there is the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez...

, stopping to trade goods in Ethiopia and Egypt
Egypt
Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

 (as Chinese porcelain
Porcelain
Porcelain is a ceramic material made by heating raw materials, generally including clay in the form of kaolin, in a kiln to temperatures between and...

 was highly-valued in old Fustat, Cairo
Cairo
Cairo , is the capital of Egypt and the largest city in the Arab world and Africa, and the 16th largest metropolitan area in the world. Nicknamed "The City of a Thousand Minarets" for its preponderance of Islamic architecture, Cairo has long been a centre of the region's political and cultural life...

).
Jia Dan
Jia Dan
Jia Dan , courtesy name Dunshi , formally Duke Yuanjing of Wei , was a Chinese scholar-official, general, geographer, and cartographer from Cangzhou, Hebei during the Tang Dynasty of China.- Background :...

 wrote Route between Guangzhou and the Barbarian Sea during the late 8th century that documented foreign communications, the book was lost, but the Xin Tangshu retained some of his passages about the three sea-routes linking China to East Africa
East Africa
East Africa or Eastern Africa is the easterly region of the African continent, variably defined by geography or geopolitics. In the UN scheme of geographic regions, 19 territories constitute Eastern Africa:...

. Jia Dan also wrote about tall lighthouse
Lighthouse
A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....

 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....

s in the Persian Gulf
Persian Gulf
The Persian Gulf, in Southwest Asia, is an extension of the Indian Ocean located between Iran and the Arabian Peninsula.The Persian Gulf was the focus of the 1980–1988 Iran-Iraq War, in which each side attacked the other's oil tankers...

, which were confirmed a century later by Ali al-Masudi and al-Muqaddasi
Al-Muqaddasi
Muhammad ibn Ahmad Shams al-Din Al-Muqaddasi , also transliterated as Al-Maqdisi and el-Mukaddasi, was a medieval Arab geographer, author of Ahsan at-Taqasim fi Ma`rifat il-Aqalim .-Biography:Al-Muqaddasi, "the Hierosolomite" was born in Jerusalem in 946 AD...

. Beyond the initial work of Jia Dan, other Chinese writers accurately describing Africa from the 9th century onwards; For example, Duan Chengshi
Duan Chengshi
Duan Chengshi was an author and scholar of the Tang Dynasty in China. He was born to a wealthy family in present day Zibo, Shandong. A descendant of the early Tang official Duan Zhixuan 段志玄 , and the son of Duan Wenchang 段文昌, a high official under Tang Xuanzong, his family background enabled him...

 wrote in 863 of the slave trade, ivory trade
Ivory trade
The ivory trade is the commercial, often illegal trade in the ivory tusks of the hippopotamus, walrus, narwhal, mammoth, and most commonly, Asian and African elephants....

, and ambergris
Ambergris
Ambergris is a solid, waxy, flammable substance of a dull gray or blackish color produced in the digestive system of and regurgitated or secreted by sperm whales....

 trade of Berbera
Berbera
Berbera is a city and seat of Berbera District in Somaliland, a self-proclaimed Independent Republic with de facto control over its own territory, which is recognized by the international community and the Somali Government as a part of Somalia...

, Somalia
Somalia
Somalia , officially the Somali Republic and formerly known as the Somali Democratic Republic under Socialist rule, is a country located in the Horn of Africa. Since the outbreak of the Somali Civil War in 1991 there has been no central government control over most of the country's territory...

. Seaports in China such as Guangzhou
Guangzhou
Guangzhou , known historically as Canton or Kwangchow, is the capital and largest city of the Guangdong province in the People's Republic of China. Located in southern China on the Pearl River, about north-northwest of Hong Kong, Guangzhou is a key national transportation hub and trading port...

 and Quanzhou
Quanzhou
Quanzhou is a prefecture-level city in Fujian province, People's Republic of China. It borders all other prefecture-level cities in Fujian but two and faces the Taiwan Strait...

 - the most cosmopolitan urban centers in the medieval world - hosted thousands of foreign travelers and permanent settlers. Chinese junk
Junk (ship)
A junk is an ancient Chinese sailing vessel design still in use today. Junks were developed during the Han Dynasty and were used as sea-going vessels as early as the 2nd century AD. They evolved in the later dynasties, and were used throughout Asia for extensive ocean voyages...

 ships were even described by the Moroccan geographer Al-Idrisi in his Geography of 1154, along with the usual goods they traded and carried aboard their vessels.

From 1405 to 1433 large fleets commanded by Admiral Zheng He
Zheng He
Zheng He , also known as Ma Sanbao and Hajji Mahmud Shamsuddin was a Hui-Chinese mariner, explorer, diplomat and fleet admiral, who commanded voyages to Southeast Asia, South Asia, the Middle East, and East Africa, collectively referred to as the Voyages of Zheng He or Voyages of Cheng Ho from...

 under the auspices of the Yongle Emperor
Yongle Emperor
The Yongle Emperor , born Zhu Di , was the third emperor of the Ming Dynasty of China from 1402 to 1424. His Chinese era name Yongle means "Perpetual Happiness".He was the Prince of Yan , possessing a heavy military base in Beiping...

 of the Ming Dynasty
Ming Dynasty
The Ming Dynasty, also Empire of the Great Ming, was the ruling dynasty of China from 1368 to 1644, following the collapse of the Mongol-led Yuan Dynasty. The Ming, "one of the greatest eras of orderly government and social stability in human history", was the last dynasty in China ruled by ethnic...

 traveled to the Western Ocean (the Chinese name for the Indian Ocean) seven times. This attempt did not lead China to global expansion, as the Confucian bureaucracy under next emperor reversed this whole policy and by 1500, it became a capital offence to build a seagoing junk with more than two masts.
Chinese became content trading with already existing tributary states nearby and abroad. To them, traveling far east into the Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 represented entering a broad wasteland of water with uncertain benefits of trade. While British
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 amateur historian Gavin Menzies
Gavin Menzies
Rowan Gavin Paton Menzies is a retired British submarine lieutenant-commander and author. He is best known for his controversial book 1421: The Year China Discovered the World, in which he asserts that the fleets of Chinese Admiral Zheng He visited the Americas prior to European explorer...

 once asserted in his book 1421: The Year China Discovered the World that Zheng likely traveled as far as the Americas
Americas
The Americas, or America , are lands in the Western hemisphere, also known as the New World. In English, the plural form the Americas is often used to refer to the landmasses of North America and South America with their associated islands and regions, while the singular form America is primarily...

, this is not supported by scholarship and there is no evidence to suggest that this is the case.

Exchanges

The Muslim traveler Sa`d ibn Abi Waqqas
Sa`d ibn Abi Waqqas
Saad ibn Abī Waqqās was an early convert to Islam in 610-11 and one of the important companions of the Islamic prophet Muhammad. Sa'd was the seventeenth person to embrace Islam at the age of seventeen...

 has been traditionally credited by Chinese Muslims
Hui people
The Hui people are an ethnic group in China, defined as Chinese speaking people descended from foreign Muslims. They are typically distinguished by their practice of Islam, however some also practice other religions, and many are direct descendants of Silk Road travelers.In modern People's...

 with introducing Islam to China
Islam in China
Throughout the history of Islam in China, Chinese Muslims have influenced the course of Chinese history. Chinese Muslims have been in China for the last 1,400 years of continuous interaction with Chinese society...

 in 650, during the reign of Emperor Gaozong of Tang
Emperor Gaozong of Tang
Emperor Gaozong of Tang , personal name Li Zhi , was the third emperor of the Tang Dynasty in China, ruling from 649 to 683...

, although modern secular scholars don't find any historical evidence for him actually travelling to China. It is also well documented that in the year 1008 the Fatimid
Fatimid
The Fatimid Islamic Caliphate or al-Fāṭimiyyūn was a Berber Shia Muslim caliphate first centered in Tunisia and later in Egypt that ruled over varying areas of the Maghreb, Sudan, Sicily, the Levant, and Hijaz from 5 January 909 to 1171.The caliphate was ruled by the Fatimids, who established the...

 Egyptian sea captain Domiyat, in the name of his ruling Imam
Imam
An imam is an Islamic leadership position, often the worship leader of a mosque and the Muslim community. Similar to spiritual leaders, the imam is the one who leads Islamic worship services. More often, the community turns to the mosque imam if they have a religious question...

 Al-Hakim bi-Amr Allah
Al-Hakim bi-Amr Allah
Abu ‘Ali Mansur Tāriqu l-Ḥākim, called Al-Hakim bi Amr al-Lāh , was the sixth Fatimid caliph and 16th Ismaili imam .- History :...

, travelled to the Buddhist pilgrimage site in Shandong
Shandong
' is a Province located on the eastern coast of the People's Republic of China. Shandong has played a major role in Chinese history from the beginning of Chinese civilization along the lower reaches of the Yellow River and served as a pivotal cultural and religious site for Taoism, Chinese...

 in order to seek out Emperor Zhenzong of Song
Emperor Zhenzong of Song
Emperor Zhenzong was the third emperor of the Song Dynasty of China. He reigned from 997 to 1022. Zhenzong was the third son of Emperor Taizong. His personal name was Zhao Heng and his temple name Zhenzong means "True Ancestor".Zhenzong's reign was noted for the consolidation of power and the...

 with gifts from his court. This reestablished diplomatic ties between China and Egypt which had been lost since the Five Dynasties and Ten Kingdoms period (907-960). There was also the trade embassy of the Indian ruler Kulothunga Chola I
Kulothunga Chola I
Kō Rājakēsarivarman Abaya Kulōthunga Chōla was one of the greatest kings of the Chola Empire. He was one of the sovereigns who bore the title Kulottunga, literally meaning the exalter of his race.-Early life:...

 to the court of Emperor Shenzong of Song
Emperor Shenzong of Song
Emperor Shenzong of Song was the sixth emperor of the Chinese Song Dynasty. His personal name was Zhao Xu...

 in 1077, which proved to be an economic benefactor for both empires.

For more see Tang Dynasty
Tang Dynasty
The Tang Dynasty was an imperial dynasty of China preceded by the Sui Dynasty and followed by the Five Dynasties and Ten Kingdoms Period. It was founded by the Li family, who seized power during the decline and collapse of the Sui Empire...

, History of the Song Dynasty
History of the Song Dynasty
The Song Dynasty of China was a ruling dynasty that controlled China proper and southern China from the middle of the 10th century into the last quarter of the 13th century...

, and Islam during the Song Dynasty
Islam during the Song Dynasty
The change in dynasty in China from the Tang to the dynasties that included the Song Dynasty did not greatly interrupt the trends of Muslims established during the Tang.-Islam continues to increase its influence:...

.

Technique

In China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

, the invention of the stern
Stern
The stern is the rear or aft-most part of a ship or boat, technically defined as the area built up over the sternpost, extending upwards from the counter rail to the taffrail. The stern lies opposite of the bow, the foremost part of a ship. Originally, the term only referred to the aft port section...

-mounted rudder
Rudder
A rudder is a device used to steer a ship, boat, submarine, hovercraft, aircraft or other conveyance that moves through a medium . On an aircraft the rudder is used primarily to counter adverse yaw and p-factor and is not the primary control used to turn the airplane...

 appeared as early as the 1st century AD, allowing for better steering
Steering
Steering is the term applied to the collection of components, linkages, etc. which will allow a vessel or vehicle to follow the desired course...

 than using the power of oar
Oar
An oar is an implement used for water-borne propulsion. Oars have a flat blade at one end. Oarsmen grasp the oar at the other end. The difference between oars and paddles are that paddles are held by the paddler, and are not connected with the vessel. Oars generally are connected to the vessel by...

smen. The Cao Wei
Cao Wei
Cao Wei was one of the states that competed for control of China during the Three Kingdoms period. With the capital at Luoyang, the state was established by Cao Pi in 220, based upon the foundations that his father Cao Cao laid...

 Kingdom engineer and inventor Ma Jun
Ma Jun
Ma Jun , style name Deheng , was a Chinese mechanical engineer and government official during the Three Kingdoms era of China...

 (c. 200—265 AD) built the first South Pointing Chariot
South Pointing Chariot
The south-pointing chariot was an ancient Chinese two-wheeled vehicle that carried a movable pointer to indicate the south, no matter how the chariot turned. Usually, the pointer took the form of a doll or figure with an outstretched arm...

, a complex mechanical device that incorporated a differential gear in order to navigate on land, and (as one 6th century text alludes) by sea as well. Much later the Chinese polymath scientist Shen Kuo
Shen Kuo
Shen Kuo or Shen Gua , style name Cunzhong and pseudonym Mengqi Weng , was a polymathic Chinese scientist and statesman of the Song Dynasty...

 (1031—1095 AD) was the first to describe the magnetic needle-compass
Compass
A compass is a navigational instrument that shows directions in a frame of reference that is stationary relative to the surface of the earth. The frame of reference defines the four cardinal directions – north, south, east, and west. Intermediate directions are also defined...

, along with its usefulness for accurate navigation by discovering the concept of true north
True north
True north is the direction along the earth's surface towards the geographic North Pole.True geodetic north usually differs from magnetic north , and from grid north...

. In his Pingzhou Table Talks of 1119 AD the Song Dynasty maritime author Zhu Yu
Zhu Yu (author)
Zhu Yu was an author of the Chinese Song Dynasty . He retired in Huang Gang of the Hubei province, bought a country house and named it "Pingzhou". He called himself "Expert Vegetable Grower of Pingzhou ". Between 1111 and 1117 AD, Zhu Yu wrote the book Pingzhou Ketan , published in 1119 AD...

 described the use of separate bulkhead compartments
Bulkhead (partition)
A bulkhead is an upright wall within the hull of a ship or within the fuselage of an airplane. Other kinds of partition elements within a ship are decks and deckheads.-Etymology:...

 in the hulls
Hull (watercraft)
A hull is the watertight body of a ship or boat. Above the hull is the superstructure and/or deckhouse, where present. The line where the hull meets the water surface is called the waterline.The structure of the hull varies depending on the vessel type...

 of Chinese ships. This allowed for water-tight conditions and ability of a ship not to sink if one part of the hull became damaged.

See also

  • Age of Discovery
    Age of Discovery
    The Age of Discovery, also known as the Age of Exploration and the Great Navigations , was a period in history starting in the early 15th century and continuing into the early 17th century during which Europeans engaged in intensive exploration of the world, establishing direct contacts with...

  • List of Chinese discoveries
  • Maritime history
    Maritime history
    Maritime history is the study of human activity at sea. It covers a broad thematic element of history that often uses a global approach, although national and regional histories remain predominant...

  • Naval history
    Naval history
    Naval history is the area of military history concerning war at sea and the subject is also a sub-discipline of the broad field of maritime history....

  • Naval history of China
    Naval history of China
    The naval history of China dates back thousands of years, with archives existing since the late Spring and Autumn Period about the ancient navy of China and the various ship types used in war. China was leading maritime power in the years 1405-1433, when Chinese shipbuilders began to build massive...

  • 1421 Hypothesis
  • Chinese geography
    Chinese geography
    Native Chinese geography begins in the Warring States period . It expands its scope beyond the Chinese homeland with the growth of the Chinese Empire under the Han Dynasty...

  • List of China-related topics
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