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
Australian–Thai Peace Treaty end its state of war with Britain and accept Britain's peace terms. It insisted on the trial of collaborators with the Japanese—which the Thais resented—and on reparations in relation to the tin mines. The Thais did try and imprison former Prime Minister Plaek Phibunsongkhram in order to forestall any Allied tribunal before signing the Anglo-Thai Peace Treaty on 1 January 1946. After the British peace treaty, Eastman exchanged notes with the Thai negotiator, Prince Vivadhanajaya Jayanta, confirming that a separate treaty with Australia would be signed no later than 3 April. The government in Canberra considered withdrawing him from Bangkok