Italo-Turkish War
The Italo-Turkish or Turco-Italian War (Turkish: Trablusgarp Savaşı, "Tripolitanian War"; also known in Italy as Guerra di Libia, "Libyan War") was fought between the Ottoman Empire and the Kingdom of Italy from September 29, 1911, to October 18, 1912. As a result of this conflict, Italy captured the Ottoman Tripolitania Vilayet (province), of which the most notable sub-provinces (sanjaks) were Fezzan, Cyrenaica, and Tripoli itself. These territories together formed what became known as Italian Libya.
During the conflict, Italian forces also occupied the Dodecanese islands in the Aegean Sea. Italy had agreed to return Dodecanese to the Ottoman Empire according to the Treaty of Ouchy in 1912 (also known as the First Treaty of Lausanne (1912), as it was signed at the Château d'Ouchy in Lausanne, Switzerland.) However, the vagueness of the text allowed a provisional Italian administration of the islands, and Turkey eventually renounced all claims on these islands in Article 15 of the Treaty of Lausanne in 1923.