Treaty of Portsmouth Treaty of Portsmouth The Treaty of Portsmouth formally ended the 1904–05 Russo-Japanese War. It was signed on September 5, 1905 after negotiations lasting from August 6 to August 30, at the Portsmouth Naval Shipyard in Kittery, Maine, United States. U.S. President Theodore Roosevelt was instrumental in the negotiations and won the Nobel Peace Prize for his efforts. The war of 1904–05 was fought between the Empire of Russia, an international power with one of the largest armies in the world, and the Empire of Japan, a nation which had only recently industrialized after two-and-a-half centuries of isolation. A series of
Russo-Turkish War (1787–1792) Russo-Turkish War (1787–1792) The Russo–Turkish War of 1787–1792 involved an unsuccessful attempt by the Ottoman Empire to regain lands lost to the Russian Empire in the course of the previous Russo-Turkish War (1768–1774). It took place concomitantly with the Austro-Turkish War (1788–1791). In May and June 1787, Catherine II of Russia made a triumphal procession through New Russia and the annexed Crimea in company with her ally, Holy Roman Emperor Joseph II. These events, the rumors about Catherine's Greek Plan, and the friction caused by the mutual complaints of infringements of the Treaty of Küçük Kaynarca, which had ended the