• Authorized on April 23, 1775 in the Massachusetts State Troops as Patterson's Regiment.
• Organized in spring 1775 at Cambridge to consist of 11 companies from Berkshire, Hampshire, Suffolk, Middlesex, Worcester, and York Counties, Massachusetts; and Litchfield County, Connecticut.
• 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.
• Consolidated (less Morse's and Watkin's Companies) on January 1, 1776 with Sayer's and Sullivan's Companies, Scammon's Regiment, and consolidated unit redesignated as the 15th Continental Regiment, an element of Heath's Brigade, to consist of 8 companies. More's Company consolidated with Prescott's Regiment (7th Continental Regiment) and Watkin's Company consolidated with Phinney's Regiment (12th Continental Regiment).
• Relieved on January 24, 1776 from Heath's Brigade and assigned to the Vacant Brigade, an element of the Main Continental Army.
• Vacant Brigade regesignated on February 16, 1776 as Frye's Brigade.
• Relieved on April 15, 1776 from Frye's Brigade and assigned to the Canadian Department.
• Relieved on July 2, 1776 from the Canadian Department and assigned to the Northern Department.
• Assigned on July 20, 1776 to Reed's Brigade, an element of the Northern Department.
• Reed's Brigade redesignated on August 11, 1776 as Paterson's Brigade.
• Relieved on November 26, 1776 from Paterson's Brigade and assigned to St. Clair's Brigade, an element of the Main Continental Army.
• Consolidated on January 1, 1777 with 2 companies formed from the 18th Continental Regiment and 2 companies formed from the 6th Continental Regiment and consolidated unit redesignated as Vose's Regiment, to consist of 8 companies.
• Relieved on February 9, 1777 from St. Clair's Brigade and assigned to the Northern Department.
• Relieved on March 13, 1777 from the Northern Department and assigned to the Highland's Department.
• Assigned on June 12, 1777 to McDougall's Brigade, and element of the Highland's Department.
• Relieved on June 15, 1777 from McDougall's Brigade and assigned to the 2d Connecticut Brigade, an element of the Highland's Department.
• Relieved on July 10, 1777 from the 2nd Connecticut Brigade and assigned to the 2nd Massachusetts Brigade, an element of the Highland's Department.
• 2nd Massachusetts Brigade relieved on July 24, 1777 from the Highland's Department and assigned to the Northern Department.
• 2nd Massachusetts Brigade relieved on November 7, 1777 from the Northern Department and assigned to the Main Continental Army.
• 2nd Massachusetts Brigade relieved on July 22, 1778 from the Main Army and assigned to the Eastern Department.
• Reorganized on April 1, 1779 to consist of 9 companies.
• 2nd Massachusetts Brigade relieved on July 7, 1779 from the Eastern Department and assigned to the Highland's Department.
• Redesignated on August 1, 1779 as the 1st Massachsetts Regiment.
• Relieved on January 1, 1781 from the 2nd Massachusetts Brigade and assigned to the 1st Massachusetts Brigade, an element of the Highland's Department.
• Disbanded on November 3, 1783 at West Point, New York.

ENGAGEMENTS