The Second Barbary War (1815), also known as the Algerine or Algerian War, was the second of two wars fought between the United States and the Ottoman Empire's North African regencies of Tripoli, Tunis, and Algeria known collectively as the Barbary states. The war between the Barbary States and the U.S. ended in 1815; the international dispute would effectively be ended the following year by Great Britain and the Netherlands. The war brought an end to the American practice of paying tribute to the pirate states and helped mark the beginning of the end of piracy in that region, which had been rampant in the days of Ottoman domination (16th–18th centuries). Within decades, European powers built ever more sophisticated and expensive ships which the Barbary pirates could not match in numbers o