• Authorized on April 23, 1775 in the Massachusetts State Troops as Nixon's Regiment.
• Organized in spring 1775 at Cambridge to consist of 10 companies from eastern Middlesex County, Essex and Lincoln Counties, 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 Sullivan's Brigade, an element of the Main Continental Army.
• Consolidated on January 1, 1776 with Thompson's Company, Danielson's Regiment, and consolidated unit redesignated as the 4th Continental Regiment, to consist of 8 companies; an element of Sullivan's Brigade.
• Relieved on April 29, 1776 from Sullivan's Brigade and assigned to Stirling's Brigade, an element of the Main Continental Army.
• Relieved on August 12, 1776 to Stirling's Brigade, and assigned to Nixon's Brigade, an element of the Main Continental Army.
• Reorganized and redesignated on January 1, 1777 as Nixon's Regiment, to consist of 8 companies.
• Relieved on February 9, 1777 from Nixon's Brigade and assigned to the Northern Department.
• Relieved on March 13, 1777 to from the Northern Department and assigned to the Highland's Department.
• Assigned on June 12, 1777 to the 1st Massachusetts Brigade, an element of the Highland's Department.
• 1st Massachusetts Brigade relieved on July 1, 1777 from the Highland's Department and assigned to the Northern Department.
• 1st Massachusetts Brigade relieved on March 31, 1778 from the Northern Department and assigned to the Highland's Department.
• Reorganized on May 12, 1779 to consist of 9 companies.
• Redesignated on August 1, 1779 as the 6th Massachusetts Regiment.
• Relieved on January 1, 1781 from the 1st Massachusetts Brigade and assigned to the 3rd Massachusetts Brigade, an element of the Highland's Department.
• Furloughed on June 12, 1783 at West Point, New York.
• Disbanded on November 3, 1783

ENGAGEMENTS