• Authorized on April 23, 1775 in the Massachusetts State Troops as Mansfield's Regiment.
• Organized in spring 1775 at Cambridge to consist of 10 companies from southeastern Essex County.
• 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.
• Reorganized and redesignated on January 1, 1776 as the 27th Continental Regiment, to consist of 8 companies; concurrently relieved from Sullivan's Brigade and assigned to the Vacant Brigade, an element of the Main Continental Army.
• Vacant's Brigade redesignated on February 16, 1776 as Frye's Brigade.
• Relieved on April 4, 1776 from Frye's Brigade and assigned to the Eastern Department.
• Relieved on July 11, 1776 from the Eastern Department and assigned to the Main Continental Army.
• Assigned on August 12, 1776 to Mifflin's Brigade, an element of the Main Continental Army.
• Mifflin's Brigade redesignated on October 8, 1776 as Stirling's Brigade.
• Relieved on October 15, 1776 from Stirling's Brigade and assigned to Clinton's Brigade, an element of the Main Continental Army.
• Consolidated on January 1, 1777 with Walbridge's Company, 13th Continental Regiment and consolidated unit redesignated as Putnam's Regiment, to consist of 8 companies.
• Relieved on February 9, 1777 from Clinton'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 2nd Massachusetts Brigade, an element of the Highland's Department.
• Relieved on June 15, 1777 from the 2nd Massachusetts Brigade and assigned 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 5th Massachusetts Regiment.
• Relieved on January 1, 1781 from the 1st Massachusetts Brigade and assigned to the 2nd 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