The 73rd Division (Chinese: 第73师) was created in February 1949 under the Regulation of the Redesignations of All Organizations and Units of the Army, issued by Central Military Commission on November 1, 1948,[1] basing on the 19th Division, 7th Column of the Huadong Field Army. Its history can be traced to the Riverine Detachment of 7th Division, New Fourth Army, formed in February 1943.
In February 1968 the division was returned to 23rd Army Corps control and reconstituted as 73rd Army Division again:
1st Regiment was renamed as 217th Regiment;
2nd Regiment was renamed as 218th Regiment;
3rd Regiment was renamed as 219th Regiment;
4th Regiment was disbanded;
349th Artillery Regiment rejoined the division.
On March 2, 1969, 1st Battalion, 217th Regiment, 73rd Division participated in the Zhenbao Island Incident under the command of Leng Pengfei, during which it ambushed a patrol group from 57th Imanskiy Border Guard Ussuriyskiy Detachment, Soviet Border Troops. The 217th Regiment also engaged in the clash on March 15 with Soviet Border Troops and a detachment from 135th Motorised Rifle Division.
In June 1969, 349th Artillery Regiment was renamed as Artillery Regiment, 73rd Army Division.
In December 1969, the division was renamed as 68th Army Division(Chinese: 陆军第68师). All its infantry regiments were redesignated:
217th Regiment was renamed as 202nd Regiment;
218th Regiment was renamed as 203rd Regiment;
219th Regiment was renamed as 204th Regiment.
In 1985, the division was renamed as 68th Infantry Division(Chinese: 步兵第68师) and reconstituted as a northern infantry division, category B. By then the division was composed of:
202nd Regiment
203rd Regiment
204th Regiment
Artillery Regiment
In August 1998, the division was reduced and redesignated as 68th Motorized Infantry Brigade(Chinese: 摩托化步兵第68旅).
In 2003, the brigade was transferred to 16th Army following 23rd Army's disbandment.
In 2011, the brigade was reconstituted as 68th Mechanized Infantry Brigade(Chinese: 机械化步兵第68旅).
In April 2017, the brigade was reconstituted as 68th Heavy Combined Arms Brigade(Chinese: 重型合成第68旅).