21st New York Infantry
"1st Buffalo Regiment"


Thomas J. Landon--G

Organized at Buffalo, N.Y., and mustered in for two years' State service May 8, 1861. Remustered at Elmira, N.Y., for three months' United States service May 20, 1861. Left Elmira, N.Y., for Washington, D. C., June 18. Attached to Mansfield's Command, Dept. of Washington, to August, 1861. Division of the Potomac to October, 1861. Wadsworth's Brigade, McDowell's Division, Army of the Potomac, to March, 1862. Patrick's 2nd Brigade, King's 3rd Division, 1st Army Corps, Army of the Potomac, to April, 1862. 2nd Brigade, King's Division, Dept. of the Rappahannock, to June, 1862. 3rd Brigade, 1st Division, 3rd Corps, Pope's Army of Virginia, to September, 1862. 3rd Brigade, 1st Division, 1st Army Corps, Army of the Potomac, to January, 1863. Provost Marshal, General Patrick's Command, Army of the Potomac, to May, 1863.

SERVICE.--Camp at Kalorama Heights, Washington, D.C., until July 14, 1861. Garrison at Fort Runyon until August 20. Transferred to United States service for balance of State enlistment by order of Governor E. D. Morgan August 2, 1861. Moved to Rip Raps with mutineers August 20-30. Camp at Arlington Heights, Va., until September 28, and at Upton's Hill, Va., until March, 1862. Advance on Manassas, Va., March 10-15. Camp at Upton's Hill until April 9. McDowell's advance on Falmouth, Va., April 9-19. Duty at Fredericksburg until May 25. McDowell's advance on Richmond May 25-29. Operations against Jackson June 1-21. At Falmouth until July 28, and at Fredericksburg until August 6. Pope's Campaign in Northern Virginia August 16-September 2. Fords of the Rappahannock August 21-23. Sulphur Springs August 26. Gainesville August 28. Groveton August 29. 2nd Bull Run August 30. Maryland Campaign September 6-22. Battles of South Mountain September 14; Antietam September 16-17. Duty in Maryland until October 29. Movement to Falmouth, Va., October 29-November 19. Battle of Fredericksburg, Va., December 12-15. Assigned to provost duty at Aquia Creek January to May, 1863. Chancellorsville Campaign April 27-May 6. Mustered out May 18, 1863, expiration of term.

Regiment lost during service 2 Officers and 74 Enlisted men killed and mortally wounded and 2 Officers and 40 Enlisted men by disease. Total 118.

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