Wars, politics & history

Soviet–Japanese border conflicts

from 1 March 1932 to 16 September 1939

Armed conflict in the 1930s between the Soviets, Mongolians, and Japanese. It began on 1 March 1932 in what is now Mongolia and lasted until 16 September 1939 (about 8 years). The setting was Northeast Asia. It was part of interwar period. Those involved included the Soviet Union, the Mongolian People's Republic, the Empire of Japan and Manchukuo.

Open on the timeline

Before and after

More in Wars, politics & history

The era

This moment belongs to the Modern era (1914 CE to 1945 CE), world wars and a changing world. You can also browse everything in the 20th century.