The Battle of Dong Xoai () was a major battle fought during the National Liberation Front Summer Offensive of 1965 as part of the Vietnam War. The battle took place in Phuoc Long Province, South Vietnam, between June 9 and 13, 1965. In 1964, General Nguyen Khanh gained control of the South Vietnamese government after General Duong Van Minh was overthrown in a military coup. Even though General Khanh was able to gain control of the military junta, he failed to garner support from the civilian population when he implemented various laws which limited the freedoms of the South Vietnamese people. He then had a falling-out with the Catholic faction within his own government, when he became increasingly reliant on the Buddhist movement to hold on to power. Consequently on February 20, 1965, Gene