Korean War: The two-day Geochang massacre begins as a battalion of the 11th Division of the South Korean Army kills 719 unarmed citizens in Geochang, in the South Gyeongsang district of South Korea.

The Korean War was an armed conflict on the Korean Peninsula fought between North Korea and South Korea and their allies. North Korea was supported by China and the Soviet Union, while South Korea was supported by the United Nations Command (UNC) led by the United States. The conflict was one of the first major proxy wars of the Cold War. Fighting ended in 1953 with an armistice but no peace treaty, leading to the ongoing Korean conflict.

The Geochang massacre was a massacre conducted by the third battalion of the 9th regiment of the 11th Division of the South Korean Army between 9 February 1951 and 11 February 1951 of 719 unarmed citizens in Geochang, South Gyeongsang district of South Korea. The victims included 385 children. The 11th Division also conducted the Sancheong-Hamyang massacre two days earlier. The general commanding the division was Choe Deok-sin.

The Republic of Korea Army, also known as the ROK Army or South Korean Army, is the army of South Korea, responsible for ground-based warfare. It is the largest of the military branches of the Republic of Korea Armed Forces with 365,000 members as of 2022. This size is maintained through conscription: All able-bodied South Korean males must complete military service between the ages of 18 and 35.

Geochang County is a county in South Gyeongsang Province, South Korea. The Geochang International Festival of Theater, which was started in 1989, is renowned as the best play festival in Korea. The District Office is located in Geochang-eup, and has jurisdiction over 1 eup and 11 myeon.