Organized at Hartford April 22, 1861. Left State for Washington, D. C., May 18. Attached to Mansfield's command, Dept of Washington, to June, 1861. Key's 1st Brigade, Tyler's Division, McDowell's Army of Northeastern Virginia to August, 1861.
SERVICE-At Camp Corcoran, defenses of Washington, D. C., till June 1. Advance to Vienna and Falls Church, Virginia, June 1-3, and picket duty there till July 16, Advance on Manassas, Va., July 16-21. Occupation of Fairfax Court House July 17 Battle of Bull Run July 21. Mustered out July 31, 1861