40th Army (People's Republic of China)

The 40th Group Army is a military formation of the People's Liberation Army. It is located in the Shenyang Military Region.

Korean War
During the Korean War, the 40th Army was part of the People's Volunteer Army (Chinese People's Volunteers (CPV) or Chinese Communist Forces (CCF)). It was composed of the 118th, 119th, and 120th Divisions.

In the morning of Oct. 25, the 118th Division of the 40th Army ambushed the 3rd Infantry Battalion of ROK 6th Division, destroying the ROK unit as an organized force.

The 40th Army attacked the 9th and 38th Infantries of the U.S. 2nd Infantry Division about eighteen miles northeast of Kunu-ri along the Chongchon River.

Tiananmen Square Protests of 1989
In May 1989, the 40th Army’s 118th Infantry Division and Artillery Brigade were deployed to Beijing to enforce martial law and suppress the Tiananmen Square protests of 1989.