Treaty of Portsmouth

The Treaty of Portsmouth formally ended the 1904–05 Russo-Japanese War. It was signed on September 5, 1905,[1] after negotiations from August 6 to August 30, at the Portsmouth Naval Shipyard in Kittery, Maine, United States.[2] U.S. President Theodore Roosevelt was instrumental in the negotiations and won the Nobel Peace Prize for his efforts.

Japan-Russia Treaty of Peace, or "Treaty of Portsmouth", September 5, 1905. Diplomatic Archives of the Ministry of Foreign Affairs of Japan.
Negotiating the Treaty of Portsmouth (1905). From left: Russians (at far side of table) Korostovetz, Nabokov, Witte, Rosen, Plancon; Japanese (near side) Adachi, Ochiai, Komura, Takahira, Satō. The conference table is today preserved at the Museum Meiji-mura in Inuyama, Aichi Prefecture, Japan.