THE RUSSO-JAPANESE WARTHE RUSSO-JAPANESE WAR, 2024
The Treaty of Portsmouth formally ended the 1904–1905 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 Japanese delegation to the Portsmouth Peace Conference was led by Foreign Minister Komura Jutarō, assisted by former Ambassador to Washington, Takahira Kogorō. The Russian delegation was led by former Finance Minister Sergei Witte, assisted by former ambassador to Japan Roman Rosen and international law and arbitration specialist Friedrich Martens. A total of twelve sessions were held between August 9 and August 30. The Treaty of Portsmouth was signed on September 5. The treaty was ratified by the privy council of Japan on October 10 and in Russia on October 14, 1905.