- Authorized on April 23, 1775 in the Massachusetts State Troops as Gerrish’s Regiment.
- Organized in spring 1775 at Cambridge to consist of 10 companies from Essex County, Middlesex County, Suffolk County, and York County, Massachusetts, and Rockingham County, New Hampshire.
- Adopted on June 14, 1775 into the Continental Army and assigned to the Main Continental Army.
- Assigned on July 22, 1775 to Heath’s Brigade, an element of the Main Continental Army.
- ReOrganized and redesignated on January 1, 1776 as the 26th Continental Regiment, to consist of 8 companies; an element of Heath’s Brigade.
- Relieved on August 12, 1776 from Heath’s Brigade and assigned to Clinton’s Brigade, an element of the Main Continental Army.
- consolidated on January 1, 1777 with the 21st Continental Regiment and consolidated unit redesigned as Wesson’s Regiment, to consist of 8 companies.
- Relieved on February 9, 1777 from Clinton’s Brigade and assigned to the Northern Department.
- Assigned on August 13, 1777 to the 4th Massachusetts Brigade, an element of the Northern Department.
- 4th Massachusetts Brigade relieved on October 27, 1777 from the Northern Department and assigned to the Main Continental Army.
- 4th Massachusetts Brigade relieved on November 20, 1778 from the Main Continental Army and assigned to the Highland’s Department.
- ReOrganized on May 12, 1779 to consist of 9 companies.
- Redesignated on August 1, 1779 as the 9th Massachusetts Regiment.
- Relieved on January 1, 1781 from the 4th Massachusetts Brigade and assigned to the 3rd Massachusetts Brigade, an element of the Highland’s Department.
- Disbanded on January 1, 1783 at West Point, New York.
ENGAGEMENTS
- Siege of Boston
- New York City
- Northern New Jersey
- Trenton – Princeton
- Saratoga
- Mohawk Valley
- Defense of Philadelphia
- Philadelphia – Monmouth
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