The Battles of Khalkin Gol, also known as the Nomonhan Incident, was a decisive series of engagements between Soviet-icon Soviet Unionball, in support of PR Mongolia-icon Mongolian People's Republicball, against Japanese-Empire-icon Empire of Japanball and their puppet state, Manchukuo-icon Manchukuoball. The battle occurred on May 11th, 1939 when Japanese Empireball attempted to capture the Khalkin River in PR Mongoliaball's clay, but Sovietball intervened and crushed him decisively by September 16th of that year.

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