Barbary treatiesThe Barbary Treaties refer to several treaties between the United States and the semi-autonomous North African regencies of Algiers, Tunis, and Tripoli, under the rule of the Ottoman Empire, known collectively as the Barbary Coast.Treaty with Algiers (1795) Treaty with Tripoli (1796)Treaty with Tunis (1797)Treaty with Tripoli (1805)Treaty with Algiers (1815) Treaty with Tunis (1824) Treaty with Morocco (1836)