On January 1, 1776, the 6th Massachusetts Regiment merged with Thompson's Company, Danielson's Regiment, re-designated as the 4th Continental Regiment, to consist of 8 companies; an element of Sullivan's Brigade. On April 29, 1776, from Sullivan's Brigade and assigned to Stirling's Brigade, an element of the Main Continental Army. On August 12, 1776, it was reassigned from Stirling's Brigade, and assigned to Nixon's Brigade, an element of the Main Continental Army. On January 1, 1777, 4th Continental Regiment re-organized and renamed to Nixon's Regiment, to consist of 8 companies. See 6th Massachusetts Regiment for more information.