The 4th lost 1 enlisted man killed during its original 3 month service. A new 4th Massachusetts was formed for 9 months service in 1862 and served in the Western Theater.
|April 17||Left Boston under Colonel Abner B. Packard for Fortress Monroe, Va., on steamer State of Maine for three months service|
|April 20||Arrived Fort Monroe, fatigue and garrison duty|
|May 22||Assigned to Major General Benjamin Butler’s Department of Virginia.|
|May 27||To Newport News|
|June 9-10||Movement on Great Bethel|
Battle of Big Bethel
The 4th Massachusetts lost 1 man killed in one of the first skirmishes of the war, characterized by an overly complex plan and friendly fire incidents between units with different color uniforms.
|July 15-17||Moved to Boston|
|July 22||Mustered out|