Answer:
The war was eventually concluded with the Treaty of Portsmouth (5 September [O.S. 23 August] 1905), mediated by US President Theodore Roosevelt.
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Russo-Japanese War.
Date 8 February 1904 – 5 September 1905 (1 year, 6 months and 4 weeks)
Location Manchuria, Yellow Sea, Korea, Sea of Japan
Result Japanese victory Treaty of Portsmouth
Explanation:
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