On November 11, 1960, a failed coup attempt against President Ngô Đình Diệm of South Vietnam was led by Lieutenant Colonel Vương Văn Đông and Colonel Nguyễn Chánh Thi of the Airborne Division of the Army of the Republic of Vietnam (ARVN).

Source: https://en.wikipedia.org/wiki/1960_South_Vietnamese_coup_attempt

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