Soviet–Japanese border conflicts

March 1, 1932 – September 16, 1939 · Battle site

Result Soviet–Mongolian victory

Series of border clashes between the Soviet Union and Mongolia on one side and Japan and Manchukuo on the other, ending with the Japanese defeat at Khalkhin Gol in 1939.

Soviet Union and Mongolia

Japan and Manchukuo

Strength and losses

Casualties
30,443–32,418
Casualties
24,095–26,011

Battles 4

Before and after

Led to
Soviet–Japanese Neutrality Pact April 13, 1941

Related events 1 degree away • 2 degrees away

1933
1934
1935
1936
1937
1938
1939
1940
1941
 
Soviet–Japanese border conflicts
 

Also involved 1