History glossary
the Treaty of Portsmouth
the 1905 treaty ending the Russo-Japanese War.
- Category
- Treaty
- Region
- Japan, Russia and East Asia
- Date range
- 1905
What it means
The Treaty of Portsmouth ended the Russo-Japanese War in 1905. It recognised Japan's paramount interests in Korea, transferred rights in southern Manchuria and Port Arthur, and gave Japan the southern half of Sakhalin.
