The 2nd Rhode Island Regiment also known as Hitchcock's Regiment was authorized on 6 May 1775 under Colonel Daniel Hitchcock in the Rhode Island Army of Observation and was organized on 8 May 1775 as eight companies of volunteers from Providence County of the colony of Rhode Island. As part of a brigade organized under Nathanael Greene, the unit participated in the Siege of Boston during the remainder of 1775. Some elements accompanied Benedict Arnold's expedition to Quebec late in the year.