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
U.S.–Hungarian Peace Treaty (1921) U.S.–Hungarian Peace Treaty (1921) The U.S.–Hungarian Peace Treaty is a peace treaty between the United States and the Kingdom of Hungary, signed in Budapest on August 29, 1921, in the aftermath of the First World War. This separate peace treaty was required because the United States Senate refused to ratify the multilateral Treaty of Trianon. Ratifications were exchanged in Budapest on December 17, 1921, and the treaty became effective on the same day. The treaty was registered in "League of Nations Treaty Series" on May 8, 1926. During the First World War, Hungary - which formed part of the nucleus