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Slave raiding is a military
raid RAID (; redundant array of inexpensive disks or redundant array of independent disks) is a data storage virtualization technology that combines multiple physical Computer data storage, data storage components into one or more logical units for th ...
for the purpose of capturing people and bringing them from the raid area to serve as
slaves Slavery is the ownership of a person as property, especially in regards to their labour. Slavery typically involves compulsory work, with the slave's location of work and residence dictated by the party that holds them in bondage. Enslavemen ...
. Once seen as a normal part of warfare, it is nowadays widely considered a
war crime A war crime is a violation of the laws of war that gives rise to individual criminal responsibility for actions by combatants in action, such as intentionally killing civilians or intentionally killing prisoners of war, torture, taking hostage ...
. Slave raiding has occurred since antiquity. Some of the earliest surviving written records of slave raiding come from
Sumer Sumer () is the earliest known civilization, located in the historical region of southern Mesopotamia (now south-central Iraq), emerging during the Chalcolithic and Early Bronze Age, early Bronze Ages between the sixth and fifth millennium BC. ...
(in present-day
Iraq Iraq, officially the Republic of Iraq, is a country in West Asia. It is bordered by Saudi Arabia to Iraq–Saudi Arabia border, the south, Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq border, the east, the Persian Gulf and ...
). Kidnapping and prisoners of war were the most common sources of African slaves, although indentured servitude or punishment also resulted in slavery. The many alternative methods of obtaining human beings to work in
indentured An indenture is a legal contract that reflects an agreement between two parties. Although the term is most familiarly used to refer to a labor contract between an employer and a laborer with an indentured servant status, historically indentures we ...
or other involuntary conditions, as well as technological and cultural changes, have made slave raiding rarer.


Reasons

Slave raiding was a large and lucrative trade on the coasts of
Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...
, in
Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
,
Mesoamerica Mesoamerica is a historical region and cultural area that begins in the southern part of North America and extends to the Pacific coast of Central America, thus comprising the lands of central and southern Mexico, all of Belize, Guatemala, El S ...
, and in medieval
Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...
. The Crimean–Nogai slave raids in Eastern Europe provided some two or three million slaves to the
Ottoman Empire The Ottoman Empire (), also called the Turkish Empire, was an empire, imperial realm that controlled much of Southeast Europe, West Asia, and North Africa from the 14th to early 20th centuries; it also controlled parts of southeastern Centr ...
via the Crimean slave trade over the course of four centuries. The
Barbary pirates The Barbary corsairs, Barbary pirates, Ottoman corsairs, or naval mujahideen (in Muslim sources) were mainly Muslim corsairs and privateers who operated from the largely independent Barbary states. This area was known in Europe as the Barba ...
from the 16th century onwards through 1830 engaged in razzias in Africa and the European coastal areas as far away as Iceland, capturing slaves for the Muslim slavery market in North Africa and West Asia. The
Atlantic slave trade The Atlantic slave trade or transatlantic slave trade involved the transportation by slave traders of Slavery in Africa, enslaved African people to the Americas. European slave ships regularly used the triangular trade route and its Middle Pass ...
was predicated on European countries endorsing and supporting slave raiding between African tribes to supply the workforce of agricultural
plantation Plantations are farms specializing in cash crops, usually mainly planting a single crop, with perhaps ancillary areas for vegetables for eating and so on. Plantations, centered on a plantation house, grow crops including cotton, cannabis, tob ...
s in the Americas For three and a half centuries, European slave traders, primarily Iberian, transported African captives across the Atlantic in slave ships. The ships came from the ports of all the major European maritime powers—Spain, Portugal, the Netherlands, Denmark, Sweden, Great Britain, France, and Brandenburg-Prussia.


Methods

The act of slave raiding involves an organised and concerted attack on a settlement with the purpose of taking the area's people. The collected new slaves are often kept in some form of slave pen or depot. From there, the slave takers will transport them to a distant place by means such as a
slave ship Slave ships were large cargo ships specially built or converted from the 17th to the 19th century for transporting Slavery, slaves. Such ships were also known as "Guineamen" because the trade involved human trafficking to and from the Guinea ( ...
or
camel caravan A camel train, caravan, or camel string is a series of camels carrying passengers and goods on a regular or semi-regular service between points. Despite rarely travelling faster than human walking speed, for centuries camels' ability to withst ...
. When conquered people are enslaved and remain in their place, it is not raiding.


Historically


Saracen piracy

During the Middle ages,
Saracen upright 1.5, Late 15th-century German woodcut depicting Saracens ''Saracen'' ( ) was a term used both in Greek and Latin writings between the 5th and 15th centuries to refer to the people who lived in and near what was designated by the Rom ...
Andalusian pirates established themselves in bases in southern France, the Baleares, Southern Italy and Sicily, from which they raided the coasts of the Christian Mediterranean and exported their prisoners as Saqaliba slaves to the slave markets of the Muslim West Asia. The
Aghlabids The Aghlabid dynasty () was an Arab dynasty centered in Ifriqiya (roughly present-day Tunisia) from 800 to 909 that conquered parts of Sicily, Southern Italy, and possibly Sardinia, nominally as vassals of the Abbasid Caliphate. The Aghlabids ...
of
Ifriqiya Ifriqiya ( '), also known as al-Maghrib al-Adna (), was a medieval historical region comprising today's Tunisia, eastern Algeria, and Tripolitania (roughly western Libya). It included all of what had previously been the Byzantine province of ...
was a base for Saracen attacks along the Spanish East coast as well as against Southern Italy from the early 9th-century; they attacked Rome in 845, Comacchio in 875-876,
Monte Cassino The Abbey of Monte Cassino (today usually spelled Montecassino) is a Catholic Church, Catholic, Benedictines, Benedictine monastery on a rocky hill about southeast of Rome, in the Valle Latina, Latin Valley. Located on the site of the ancient ...
in 882-83, and established the Emirate of Bari (847–871), the
Emirate of Sicily The island of SicilyIn Arabic, the island was known as (). was under Islam, Islamic rule from the late ninth to the late eleventh centuries. It became a prosperous and influential commercial power in the Mediterranean Sea, Mediterranean, with ...
(831–1091) and a base in Garigliano (882-906), which became bases of slave trade.The Cambridge Illustrated History of the Middle Ages. (1986). Storbritannien: Cambridge University Press. p. 408 During the warfare between Rome and the
Byzantine Empire The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived History of the Roman Empire, the events that caused the ...
in Southern Italy in the 9th-century the Saracens made Southern Italy a supply source for a slave trade to
Maghreb The Maghreb (; ), also known as the Arab Maghreb () and Northwest Africa, is the western part of the Arab world. The region comprises western and central North Africa, including Algeria, Libya, Mauritania, Morocco, and Tunisia. The Maghreb al ...
by the mid 9th-century; the Western Emperor Louis II complained in a letter to the Byzantine Emperor that the Byzantines in
Naples Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...
guided the Saracens in their raids toward South Italy and aided them in their slave trade with Italians to North Africa, an accusation noted also by the Lombard Chronicler Erchempert. Moorish
Saracen upright 1.5, Late 15th-century German woodcut depicting Saracens ''Saracen'' ( ) was a term used both in Greek and Latin writings between the 5th and 15th centuries to refer to the people who lived in and near what was designated by the Rom ...
pirates from
al-Andalus Al-Andalus () was the Muslim-ruled area of the Iberian Peninsula. The name refers to the different Muslim states that controlled these territories at various times between 711 and 1492. At its greatest geographical extent, it occupied most o ...
attacked
Marseille Marseille (; ; see #Name, below) is a city in southern France, the Prefectures in France, prefecture of the Departments of France, department of Bouches-du-Rhône and of the Provence-Alpes-Côte d'Azur Regions of France, region. Situated in the ...
and
Arles Arles ( , , ; ; Classical ) is a coastal city and Communes of France, commune in the South of France, a Subprefectures in France, subprefecture in the Bouches-du-Rhône Departments of France, department of the Provence-Alpes-Côte d'Azur Reg ...
and established a base in Camargue,
Fraxinetum Fraxinetum or Fraxinet ( or , from Latin ''fraxinus'': " ash tree", ''fraxinetum'': "ash forest") was the site of a Muslim stronghold at the centre of a frontier state in Provence between about 887 and 972. It is identified with modern La Garde- ...
or La Garde-Freinet-Les Mautes (888–972), from which they made slave raids in to France;The Cambridge Illustrated History of the Middle Ages. (1986). Storbritannien: Cambridge University Press. p. 408 the population fled in fear of the slave raids, which made it difficult for the Frankish to secure their Southern coast, and the Saracens of Fraxinetum exported the Frankisk prisoners they captured as slaves to the slave market of the Muslim Middle East. The Saracens captured the Baleares in 903, and made slave raids also from this base toward the coasts of the Christian Mediterranean and Sicily. While the Saracen bases in France was eliminated in 972, this did not prevent the Saracen piracy slave trade of the Mediterranean; both
Almoravid dynasty The Almoravid dynasty () was a Berber Muslim dynasty centered in the territory of present-day Morocco. It established an empire that stretched over the western Maghreb and Al-Andalus, starting in the 1050s and lasting until its fall to the Almo ...
(1040–1147) and the Almohad Caliphate (1121–1269) approved of the slave raiding of Saracen pirates toward non-Muslim ships in Gibraltar and the Mediterranean for the purpose of slave raiding.


Vikings

The Vikings raided the coastlines of
Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...
for people, cattle and goods. High status captives were taken back to their community or families to be ransomed—this included bishops and kings. In the
Annals of Ulster The ''Annals of Ulster'' () are annals of History of Ireland, medieval Ireland. The entries span the years from 431 AD to 1540 AD. The entries up to 1489 AD were compiled in the late 15th century by the scribe Ruaidhrí Ó Luin� ...
it is recorded that in 821 AD
Howth Howth ( ; ; ) is a peninsular village and outer suburb of Dublin, Republic of Ireland, Ireland. The district as a whole occupies the greater part of the peninsula of Howth Head, which forms the northern boundary of Dublin Bay, and includes the ...
, was raided and "a great booty of women was carried away". By the tenth and eleventh centuries the Vikings had established slave markets in Ireland's major ports. However, following political allegiances with the Vikings, the Irish Kings also took local captives to profit from these slave markets. By the late tenth century, the Vikings began to suffer significant military defeats and the Irish Kings now seized captives from the defeated Viking armies and their captured towns, with the justification that the inhabitants were foreigners bearing the sins of their ancestors. The Norsemen were first recorded in Ireland in 795, when they plundered the island of Rathlin. This island, off the northeast coast of Ireland, is home to numerous burial sites with official evidence of their existence. According to the Annals of Ulster, the first raid on this island was known as "Loscad Rechrainne o geinntib," also known as "the burning of Rechru by heathens." Sporadic raids continued until 832, after which the Norsemen began to establish fortified settlements throughout the country. Norse raids continued throughout the 10th century, but resistance to them grew. The Norsemen established independent kingdoms in Dublin, Waterford, Wexford, Cork, and Limerick. These kingdoms did not survive subsequent Norman invasions, but the towns continued to grow and prosper.


Crimean–Nogai slave raids

The Crimean–Nogai slave raids in Eastern Europe provided some two or three million slaves for slavery in the Ottoman Empire via the Crimean slave trade between the 15th-century until the late 18th-century. During this period the
Crimean Khanate The Crimean Khanate, self-defined as the Throne of Crimea and Desht-i Kipchak, and in old European historiography and geography known as Little Tartary, was a Crimean Tatars, Crimean Tatar state existing from 1441 to 1783, the longest-lived of th ...
was the destination of the Crimean–Nogai slave raids in Eastern Europe, and European and Circassian slaves were trafficked to the Middle East via the Crimea. Between 1441 and 1774, the
Crimean Khanate The Crimean Khanate, self-defined as the Throne of Crimea and Desht-i Kipchak, and in old European historiography and geography known as Little Tartary, was a Crimean Tatars, Crimean Tatar state existing from 1441 to 1783, the longest-lived of th ...
and the Nogai Horde conducted slave raids throughout lands primarily controlled by
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
and Poland–Lithuania. Concentrated in
Eastern Europe Eastern Europe is a subregion of the Europe, European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural and socio-economic connotations. Its eastern boundary is marked by the Ural Mountain ...
, but also stretching to the
Caucasus The Caucasus () or Caucasia (), is a region spanning Eastern Europe and Western Asia. It is situated between the Black Sea and the Caspian Sea, comprising parts of Southern Russia, Georgia, Armenia, and Azerbaijan. The Caucasus Mountains, i ...
and parts of
Central Europe Central Europe is a geographical region of Europe between Eastern Europe, Eastern, Southern Europe, Southern, Western Europe, Western and Northern Europe, Northern Europe. Central Europe is known for its cultural diversity; however, countries in ...
, these raids were often supported by the
Ottoman Empire The Ottoman Empire (), also called the Turkish Empire, was an empire, imperial realm that controlled much of Southeast Europe, West Asia, and North Africa from the 14th to early 20th centuries; it also controlled parts of southeastern Centr ...
and involved the transportation of European men, women, and children to the
Muslim world The terms Islamic world and Muslim world commonly refer to the Islamic community, which is also known as the Ummah. This consists of all those who adhere to the religious beliefs, politics, and laws of Islam or to societies in which Islam is ...
, where they were put on the market and sold as part of the Crimean slave trade and the Ottoman slave trade. The regular abductions of people over the course of numerous incursions by the Crimeans and the Nogais greatly drained Eastern Europe's human and economic resources, consequently playing an important role in the emergence of the semi-militarized
Cossacks The Cossacks are a predominantly East Slavic languages, East Slavic Eastern Christian people originating in the Pontic–Caspian steppe of eastern Ukraine and southern Russia. Cossacks played an important role in defending the southern borde ...
, who organized retaliatory campaigns against the raiders and their Ottoman backers.


Barbary pirates

European slaves were acquired by
Barbary pirates The Barbary corsairs, Barbary pirates, Ottoman corsairs, or naval mujahideen (in Muslim sources) were mainly Muslim corsairs and privateers who operated from the largely independent Barbary states. This area was known in Europe as the Barba ...
in slave raids on ships and by raids on coastal towns from
Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
to
the Netherlands , Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...
,
Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...
and the southwest of Britain, as far north as
Iceland Iceland is a Nordic countries, Nordic island country between the Atlantic Ocean, North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe. It is culturally and politically linked with Europe and is the regi ...
and into the
Eastern Mediterranean The Eastern Mediterranean is a loosely delimited region comprising the easternmost portion of the Mediterranean Sea, and well as the adjoining land—often defined as the countries around the Levantine Sea. It includes the southern half of Turkey ...
. On some occasions, settlements such as
Baltimore Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...
in Ireland were abandoned following a raid, only being resettled many years later.


West Africa

Raiding villages was also a method of capturing slaves in Africa, and accounted for the overwhelming majority of West African slaves. While there was some slave raiding along the African coasts by Europeans, much of the raiding that took place was performed by other West Africans powers. Gomes Eannes de Azurara, who witnessed a Portuguese raid noted that some captives drowned themselves, others hid in under their huts, and others hid their children among the seaweed. Portuguese coastal raiders found that raiding was too costly and often ineffective and opted for established commercial relations. The increase in the demand for slaves due to the expansion of European colonial powers to the New World made the slave trade much more lucrative to the West African powers, leading to the establishment of a number of actual West African empires thriving on the slave trade. These included the Bono State, Oyo empire ( Yoruba), Kong Empire, Imamate of Futa Jallon, Imamate of Futa Toro, Kingdom of Koya, Kingdom of Khasso, Kingdom of Kaabu, Fante Confederacy, Ashanti Confederacy, and the kingdom of
Dahomey The Kingdom of Dahomey () was a West African List of kingdoms in Africa throughout history, kingdom located within present-day Benin that existed from approximately 1600 until 1904. It developed on the Abomey Plateau amongst the Fon people in ...
. These kingdoms relied on a militaristic culture of constant warfare to generate the great numbers of human captives required for trade with the Europeans.


Spanish in Chile

Although there was a general ban on enslavement of indigenous people by Spanish Crown, the 1598–1604
Mapuche The Mapuche ( , ) also known as Araucanians are a group of Indigenous peoples of the Americas, Indigenous inhabitants of south-central Chile and southwestern Argentina, including parts of Patagonia. The collective term refers to a wide-ranging e ...
uprising that ended with the Destruction of the Seven Cities made the Spanish in 1608 declare slavery legal for those Mapuches caught in war.Valenzuela Márquez 2009, p. 231–233 Mapuches "rebels" were considered Christian apostates and could therefore be enslaved according to the church teachings of the day.Foerster 1993, p. 21. In reality these legal changes only formalized Mapuche slavery that was already occurring at the time, with captured Mapuches being treated as property in the way that they were bought and sold among the Spanish. Legalisation made Spanish slave raiding increasingly common in the
Arauco War The Arauco War was a long-running conflict between colonial Spaniards and the Mapuche people, mostly fought in the Araucanía region of Chile. The conflict began at first as a reaction to the Spanish conquerors attempting to establish cities a ...
. Mapuche slaves were exported north to places such as La Serena and
Lima Lima ( ; ), founded in 1535 as the Ciudad de los Reyes (, Spanish for "City of Biblical Magi, Kings"), is the capital and largest city of Peru. It is located in the valleys of the Chillón River, Chillón, Rímac River, Rímac and Lurín Rive ...
.Valenzuela Márquez 2009, pp. 234–236 The Mapuche uprising of 1655 had parts of its background in the slave hunting expeditions of Juan de Salazar, including his failed 1654 expedition.Barros Arana 2000, p. 348.Barros Arana 2000, p. 349. Slavery for Mapuches "caught in war" was abolished in 1683 after decades of legal attempts by the Spanish Crown to suppress it.


South African Republic and the Boer Republics

The practice of slavery and slave raiding also took place along the borders of the
South African Republic The South African Republic (, abbreviated ZAR; ), also known as the Transvaal Republic, was an independent Boer republics, Boer republic in Southern Africa which existed from 1852 to 1902, when it was annexed into the British Empire as a result ...
by the Boers up until at least 1870. West Transvaal Boers and others procured women and children as slaves and used them as domestic servants and plantation workers. Boer slave raids in the South African Republic were regular and the number captured totaled in the thousands. This is despite the prohibition of slavery north of the Vaal River under the 1852 Sand River Convention.


See also

* Abduction * Bride kidnapping *
Blackbirding Blackbirding was the trade in indentured labourers from the Pacific in the 19th and early 20th centuries. It is often described as a form of slavery, despite the British Slavery Abolition Act 1833 banning slavery throughout the British Empire, ...
* Crimean-Nogai raids into East Slavic lands * Turkish Abductions * Shanghaiing


Notes


References


Bibliography

* * * {{War crimes raiding Kidnapping War crimes by type