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Algerine War(ăl`jərēn'), early 19th-century conflict between Algiers and the United States. The Tripolitan WarTripolitan War
, 1800–1815, conflict between the United States and the Barbary States. Piracy had become a normal source of income in the N African Barbary States long before the United States came into existence.
..... Click the link for more information. (1801–5) had brought a temporary halt to the pirate activities of the Barbary States. However, during the subsequent Napoleonic Wars and the War of 1812 the Barbary pirates renewed their predatory raids on American Mediterranean commerce, and Algiers actually declared war on the United States. In 1815, Stephen DecaturDecatur, Stephen
, 1779–1820, American naval officer, b. Sinepuxent, near Berlin, Md.; son of a naval officer, Stephen Decatur. After joining the U.S. navy in 1798, he rose to fame in the Tripolitan War.
..... Click the link for more information. was sent to Algiers at the head of a squadron of 10 ships. After two minor engagements he sailed into the harbor of Algiers and forced (June 30) the dey of Algiers to sign a treaty renouncing U.S. tribute and agreeing to release all U.S. prisoners without ransom. Decatur then exacted similar guarantees from Tunisia (July 26) and Tripoli (Aug. 5), and the so-called Algerine War was ended.