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BATTLE // May 11, 1939

Battles of Khalkhin Gol

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Source · Wikipedia

Significance

The Battles of Khalkhin Gol were the decisive engagements of the undeclared Soviet–Japanese border conflicts of 1939, settling the contest between Soviet and Japanese forces over the disputed territory near the Khalkhin Gol river. The Soviet force under Georgy Zhukov outnumbered Japanese forces and inflicted casualties on both sides at considerable cost, but the outcome terminated the immediate border conflict and demonstrated Soviet capacity to project combined-arms power on the Asian frontier. The engagement influenced Japanese strategic calculations in the broader regional competition between the two powers.

Tactics

Zhukov directed a simultaneous three-pronged offensive combining airplanes, tanks, and — described as the first coordinated combined-arms offensive of its kind in modern warfare. The approach integrated air, armor, and ground forces in a single concentric operation rather than sequentially. The same tactical concept was later applied by Soviet forces during Operation Uranus at the Battle of Stalingrad.

Forces & casualties

Troop strength

  • Soviet Union57,000
    medium
  • Japan25,000
    medium

Soviet Union fielded a 2.3 : 1 numerical advantage

Casualties

  • Soviet Union26,211–28,169
    medium48% loss rate
  • Japan20,000
    medium80% loss rate

Commanders (8)

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4 sibling battles · 2 factions

Last verified June 2026
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