First Barbary War: Yusuf Karamanli signs a treaty ending the hostilities between Tripolitania and the United States.

The First Barbary War (1801–1805), also known as the Tripolitan War and the Barbary Coast War, was a conflict during the 1801–1815 Barbary Wars, in which the United States fought against Ottoman Tripolitania. Tripolitania had declared war against the United States over disputes regarding tributary…