The
3rd Security Brigade, was founded in September 3 1946. The Brigade was renamed to the
81st Division () was created in February 1949 basing on the 27th Division, 9th Column of
Huadong Field Army. In November 1950, Artillery Regiment, 81st Division was activated in
Antung,
Liaoning. In October 1952, the division returned to China. Artillery Regiment, 81st Infantry Division detached and transferred to
24th Corps. In February 1953, Tank Regiment, 81st Infantry Division was activated. On August 17 the regiment was renamed as 286th Tank Self-Propelled Artillery Regiment. In April 1953, Artillery Regiment, 81st Infantry Division was reactivated in
Shanghai. On August 17, the regiment was renamed as 361st Artillery Regiment. From April 1954, the division was stationed in
Zhenjiang,
Jiangsu. In April 1960, the division was renamed as the
81st Army Division (). From June 1962, the maintained as
southern army division, category B. By then the division was composed of: • 241st Infantry Regiment; • 242nd Infantry Regiment; • 243rd Infantry Regiment; • 361st Artillery Regiment; • 286th Tank Self-Propelled Artillery Regiment. In August 1967, 286th Tank Self-Propelled Artillery Regiment detached from the division to form
10th Tank Division. In August 1969, the division moved to
Handan,
Hebei. From then the division maintained as
northern army division, category A. In August 1971, the division was reorganized as a
motorized army division. Tank Regiment, 81st Army Division and AAA Regiment, 81st Army Division were activated. By then the division was composed of: • 241st Infantry Regiment; • 242nd Infantry Regiment; • 243rd Infantry Regiment; • Tank Regiment; • Artillery Regiment; • Anti-Aircraft Artillery Regiment. In August 1985, the division was renamed as the
81st Motorized Infantry Division () and reorganized as a
motorized division, category B. 250th Infantry Regiment of the disbanding
84th Army Division was attached to the division. Tank Regiment, 81st Division detached to form Tank Brigade, 27th Army. Tank Regiment,
66th Army Corps was transferred to the division as the new Tank Regiment, 81st Division. By then the division was composed of: • 241st Infantry Regiment; • 242nd Infantry Regiment; • 243rd Infantry Regiment; • 250th Infantry Regiment; • Tank Regiment; • Artillery Regiment; • Anti-Aircraft Artillery Regiment. In September 1989, the division was converted to a
northern motorized division, category B. 250th Infantry Regiment was disbanded. In September 1996, the division was transferred to the
People's Armed Police and renamed as the
81st Armed Police Division () and was designated as
unit 8630. It was headquartered in
Tianjin: • 241st, 242nd, and 243rd Infantry Regiments were converted to 241st, 242nd, and 243rd Armed Police Regiments, respectively; • Tank Regiment, 81st Infantry Division was transferred to 27th Army's direct control as Former Tank Regiment, 81st Division. In September 1998 the regiment was disbanded. • Artillery Regiment and Anti-Aircraft Artillery Regiment were merged into 702nd Armed Police Regiment. The division was then composed of: • 241st Armed Police Regiment -
Hedong District,
Tianjin; • 242nd Armed Police Regiment -
Cangzhou; • 243rd Armed Police Regiment -
Qing County,
Cangzhou; • 702nd Armed Police Regiment -
Xiqing District,
Tianjin. The division was tasked with assisting with security during the
2008 Beijing Olympics. ==References==