The 21st lost 2 officers and 74 enlisted men killed and mortally wounded and 2 officers and 40 enlisted men to disease.
April - May, 1861 |
Organized at Buffalo, N.Y. |
May 8, 1861 |
Mustered in for two years' State service |
May 20 |
Remustered at Elmira, N.Y., for three months' United States service under Colonel William F. Rogers, Lieutenant Colonel Adrian R. Root, Major William H. Drew, Adjutant C. W. Sternberg, Quartermaster H. P. Clinton, Surgeon Charles H. Wilcox, Assistant Surgeon J. A. Peters and Sergeant Major George M. Love |
June 18 |
Left Elmira, N.Y., by rail for Washington, D. C. via Harrisburg and Baltimore. Camp at Kalorama Heights, Washington, D.C. and attached to Mansfield's Command, Dept. of Washington |
July 14 |
Garrison at Fort Runyon, with Company E at Fort Jackson on the Virginia bank of the Long Bridge and Company K at a bastion on the Alexandria Road. |
August 2 |
Transferred to United States service for balance of State enlistment by order of Governor E. D. Morgan and attached to Division of the Potomac. Forty-one members who felt they had finished their terms of service and refused to answer roll call were placed under arrest and sentenced to the Dry Tortugas. |
August 20-30 |
Malcontents moved to Rip Raps, who were released from their sentence on condition that they finish their term of service with the 2nd N. Y. infantry |
September 1 |
Camp at Arlington Heights, Va. |
September 9 |
Companies A, E, G, K&I picketing Ball's Cross Roads |
September 28 |
At Upton's Hill, Va. |
October |
Attached to Wadsworth's Brigade, McDowell's Division, Army of the Potomac |
October 4-24 |
Built Fort Buffalo on Upton Hill |
October 20 |
Captain William C. Alberger of Company D transferred as lieutenant colonel to 49th New York Infantry Regiment |
December 15 |
Into winter quarters |
January 17, 1862 |
Captain James C. Strong of Company E mustered out to become lieutenant colonel of the 38th New York Infantry Regiment |
March 10-15 |
Advance on Manassas, Va. |
March 13 |
Attached to Patrick's 2nd Brigade, King's 3rd Division, 1st Army Corps, Army of the Potomac |
March 16 |
Camp near Baily's Cross Roads at "Camp Misery" |
April |
Attached to 2nd Brigade, King's Division, Dept. of the Rappahannock |
April 9-19 |
McDowell's advance on Falmouth, Va. |
April 20 |
Duty at Fredericksburg |
May 15 |
Lieutenant Colonel Root mustered out for promotion to colonel of the 94th New York Infantry Regiment |
May 20 |
Major Drew promoted to lieutenant colonel and Captain Horace Thomas of Company I to major |
May 25-29 |
McDowell's advance on Richmond |
June |
Attached to 3rd Brigade, 1st Division, 3rd Corps, Pope's Army of Virginia |
June 1-21 |
Operations against Jackson |
June 22 |
At Falmouth |
July 28 |
At Fredericksburg |
August 16-
September 2 |
Pope's Campaign in Northern Virginia
Lost 3 officers and 50 men killed and 2 men wounded exclusive of Bull Run. |
August 21-23 |
Fords of the Rappahannock |
August 24 |
March to Warrenton |
August 26 |
To Sulphur Springs. Lay under an artillery duel all day. |
August 28 |
March through Warrenton to Gainesville |
August 29 |
Groveton |
August 30 |
2nd Bull Run
Lost 2 officers and 35 men killed and 16 men wounded. |
September 1 |
Formed right of the line of battle at Chantilly |
September 2 |
Fell back to Upton's Hill |
September 4 |
Attached to 3rd Brigade, 1st Division, 1st Army Corps, Army of the Potomac |
September 6-22 |
Maryland Campaign |
September 7 |
Left Upton's Hill |
September 14 |
Battle of South Mountain
Engaged as skirmishers, losing 1 man killed and 1 wounded |
September 16-17 |
Battle of Antietam
Fought on the right of the line, losing 12 men killed, 6 men mortally wounded, and 2 officers and 49 enlisted men wounded |
September 24 |
Lieutenant Colonel Drew resigns. Major Thomas promoted to lieutenant colonel and First Lieutenant and Adjutant Chester Sternberg promoted to major |
September -
October |
Duty in Maryland |
October 29-
November 19 |
Movement to Falmouth, Va. |
October 30 |
Crossed the Potomac at Berlin |
November 1 |
Moved to Purcellville and Hamilton |
December 8 |
Lieutenant Colonel Thomas discharged for wounds. Major Stenberg promoted to lieutenant colonel and Captain Edward L. Lee of Company G promoted to major |
December 10 |
Reached the Rappahannock |
December 12-15 |
Battle of Fredericksburg
Lost 1 man killed and 3 wounded |
December 20 |
Camp near Cottage Grove on the river, forming the extreme left of the army |
January 9, 1863 |
Assigned to provost duty at Aquia Creek; Assigned to Provost Marshal, General Patrick's Command, Army of the Potomac |
April 27-May 6 |
Chancellorsville Campaign |
May 9 |
Left Washington for Buffalo to muster out |
May 18, 1863 |
Mustered out at Buffalo, expiration of term, under Colonel Rogers, Lieutenant Colonel Sternberg |
