page_title: Treaty of Portsmouth
hierarchical_section_title: Treaty of Portsmouth
caption_attribution_description: English: Japan_Russia_Treaty_of_Peace_5_September_1905.
context_page_description: The Treaty of Portsmouth formally ended the 1904–05 Russo-Japanese War. It was signed on September 5, 1905, after negotiations 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.
context_section_description: The Treaty of Portsmouth formally ended the 1904–05 Russo-Japanese War. It was signed on September 5, 1905, after negotiations 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.
caption: Japan-Russia Treaty of Peace, or "Treaty of Portsmouth", September 5, 1905. Diplomatic Archives of the Ministry of Foreign Affairs of Japan.
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