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BATTLE // March 5, 1979

Battle of Cao Bằng

Overview

The Battle of Cao Bằng was fought between the Chinese People's Liberation Army (PLA) and the Vietnam People's Army (VPA) over the city of Cao Bằng and its vicinity, from the beginning of the Sino-Vietnamese War on 17 February, to 6 March 1979. Chinese forces ended up capturing Cao Bằng along with other territories in northern Vietnam. Despite the Chinese intention to battle against and defeat some major regular units of the VPA, the PLA found themselves encountering mostly small units of Vietnamese border guards and militia. After the capture of Cao Bằng, Chinese forces moved on to capture Đức Long, a town on Highway 4 on 3 March. On 5 March, following the capture of the Vietnamese capital of Lạng Sơn, as well as what analyst described as "other military successes along the 500 mile front", the Chinese forces then declared that they had “attained the goals set for them” in the 17-day border war and that they were withdrawing troops from Vietnam. Analysts located in Vietnam, had observed that some Chinese units in locations that weren't "hotly contested by the Vietnamese" have already commenced withdrawing in the past few days.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Forces & casualties

Troop strength

  • China84,000–200,000
    medium
  • Vietnam15,000
    medium

China fielded a 9.5 : 1 numerical advantage

Casualties

  • China18,000
    medium13% loss rate

Commanders (4)

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Last verified June 2026
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