page_title: Piracy
section_title: Middle Ages
hierarchical_section_title: Piracy / History / Europe / Middle Ages
caption_attribution_description: English: Painting by Grigory Gagarin. Azov Cossacks fighting Turkish corsairs (pirates) in the Black Sea. Français&#160;: Cotes de la Mer Noire. Cosaques d'Azof abordant un corsaire Turc ქართული: აზოვის კაზაკები და ჩერქეზი ტყვეებით სავსე თურქების გემი (1847)
context_page_description: Piracy is an act of robbery or criminal violence by ship or boat-borne attackers upon another ship or a coastal area, typically with the goal of stealing cargo and other valuable items or properties. Those who engage in acts of piracy are called pirates, while dedicated ships that are used by them are called pirate ships. The earliest documented instances of piracy were in the 14th century BC, when the Sea Peoples, a group of ocean raiders, attacked the ships of the Aegean and Mediterranean civilizations. Narrow channels which funnel shipping into predictable routes have long created opportunities for piracy, as well as for privateering and commerce raiding. Historic examples include the waters of Gibraltar, the Strait of Malacca, Madagascar, the Gulf of Aden, and the English Channel, whose geographic structures facilitated pirate attacks. A land-based parallel is the ambushing of travelers by bandits and brigands in highways and mountain passes. Privateering uses similar methods to piracy, but the captain acts under orders of the state authorizing the capture of merchant ships belonging to an enemy nation, making it a legitimate form of war-like activity by non-state actors.
context_section_description: The most widely known and far-reaching pirates in medieval Europe were the Vikings, seaborne warriors from Scandinavia who raided and looted mainly between the 8th and 12th centuries, during the Viking Age in the Early Middle Ages. They raided the coasts, rivers and inland cities of all Western Europe as far as Seville, which was attacked by the Norse in 844. Vikings also attacked the coasts of North Africa and Italy and plundered all the coasts of the Baltic Sea. Some Vikings ascending the rivers of Eastern Europe as far as the Black Sea and Persia. The lack of centralized powers all over Europe during the Middle Ages enabled pirates to attack ships and coastal areas all over the continent.
  In the Late Middle Ages, the Frisian pirates known as Arumer Zwarte Hoop led by Pier Gerlofs Donia and Wijerd Jelckama, fought against the troops of the Holy Roman Emperor Charles V with some success.
  Toward the end of the 9th century, Moorish pirate havens were established along the coast of southern France and northern Italy. In 846 Moor raiders sacked the extra muros Basilicas of Saint Peter and Saint Paul in Rome. In 911, the bishop of Narbonne was unable to return to France from Rome because the Moors from Fraxinet controlled all the passes in the Alps. Moor pirates operated out of the Balearic Islands in the 10th century. From 824 to 961 Arab pirates in the Emirate of Crete raided the entire Mediterranean. In the 14th century, raids by Moor pirates forced the Venetian Duke of Crete to ask Venice to keep its fleet on constant guard.
  After the Slavic invasions of the former Roman province of Dalmatia in the 5th and 6th centuries, a tribe called the Narentines revived the old Illyrian piratical habits and often raided the Adriatic Sea starting in the 7th century. By 642 they invaded southern Italy and assaulted Siponto. Their raids in the Adriatic increased rapidly, until the whole Sea was no longer safe for travel.
  The Narentines took more liberties in their raiding quests while the Venetian Navy was abroad, as when it was campaigning in Sicilian waters in 827–882. As soon as the Venetian fleet would return to the Adriatic, the Narentines temporarily abandoned their habits again, even signing a Treaty in Venice and baptising their Slavic pagan leader into Christianity. In 834 or 835 they broke the treaty and again they raided Venetian traders returning from Benevento, and all of Venice's military attempts to punish them in 839 and 840 utterly failed. Later, they raided the Venetians more often, together with the Arabs. In 846, the Narentines broke through to Venice itself and raided its lagoon city of Caorle. In the middle of March 870 they kidnapped the Roman Bishop's emissaries that were returning from the Ecclesiastical Council in Constantinople. This caused a Byzantine military action against them that finally brought Christianity to them. After the Arab raids on the Adriatic coast circa 872 and the retreat of the Imperial Navy, the Narentines continued their raids of Venetian waters, causing new conflicts with the Italians in 887–888. The Venetians futilely continued to fight them throughout the 10th and 11th centuries.
  In 937, Irish pirates sided with the Scots, Vikings, Picts, and Welsh in their invasion of England. Athelstan drove them back.
  The Slavic piracy in the Baltic Sea ended with the Danish conquest of the Rani stronghold of Arkona in 1168. In the 12th century the coasts of western Scandinavia were plundered by Curonians and Oeselians from the eastern coast of the Baltic Sea. In the 13th and 14th century, pirates threatened the Hanseatic routes and nearly brought sea trade to the brink of extinction. The Victual Brothers of Gotland were a companionship of privateers who later turned to piracy as the Likedeelers. They were especially noted for their leaders Klaus Störtebeker and Gödeke Michels. Until about 1440, maritime trade in both the North Sea and the Baltic Sea was seriously in danger of attack by the pirates.
  H. Thomas Milhorn mentions a certain Englishman named William Maurice, convicted of piracy in 1241, 
caption: "Cossaks of Azov fighting a Turk ship" by Grigory Gagarin
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