1st Massachusetts Regiment

Paterson's Regiment 15th Continental Regiment 1st Massachusetts Regiment
Active	1775-1783
Allegiance	Continental Congress of the United States
Type	Infantry
Part of	Massachusetts Line
Engagements	Bunker Hill
Commanders
Notable commanders	Colonel John Paterson Lieutenant Colonel Seth Read

Colonel John Paterson

The 1st Massachusetts Regiment was an infantry unit of the Continental Army that fought during the American Revolutionary War. It was first authorized on 23 April 1775 in the Massachusetts State Troops as Paterson's Regiment under Colonel John Paterson and was organized at Cambridge, Massachusetts. It consisted of eleven companies of volunteers from Berkshire, Hampshire, Suffolk, Middlesex, Worcester, and York counties in Massachusetts and the county of Litchfield in the colony of Connecticut. The regiment was adopted into the main Continental Army on 14 June 1775 and was assigned to William Heath's brigade on 22 July 1775. On 1 January 1776 the regiment (less two companies) was consolidated with Sayer's and Sullivan's companies of Scammon's Regiment; re-organized to eight companies and redesignated as the 15th Continental Regiment of Heath's Brigade.

The regiment would see action at the Battle of Bunker Hill. When the army was reorganized at the end of 1775 the regiment was designated the 15th Continental Regiment, and in 1777 it was designated the 1st Massachusetts Regiment (but was also referred to as Vose's Regiment after its colonel, Joseph Vose).

The remnants of Paterson's Regiment (less Morse's and Watkin's companies) and Sayer's and Sullivan's companies of Scammon's Regiment were combined on 1 January 1776 to form eight companies designated as the 15th Continental Regiment, which was assigned to the brigade of William Heath. On 24 January 1776 the regiment was reassigned to an unnamed brigade in the main Continental Army. On 16 February 1776 this brigade was designated as Frye's Brigade and on 15 April 1776 the brigade was reassigned to the Canadian Department. The regiment was then reassigned to Reed's Brigade of the Northern Department on 20 July 1776. On 11 August 1776 this brigade was redesignated as Paterson's Brigade. On 26 November 1776 the regiment was reassigned to St. Clair's Brigade of the main Continental Army.

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