UNION NEW YORK VOLUNTEERS
21st Independent Battery, New York Light Artillery
Organized at Oswego, N. Y., and mustered in at New York City December 12, 1862. Left State for New Orleans, La., December 12, 1862. Attached to Defences of New Orleans, Dept. of the Gulf, January to May, 1863. Artillery, 2nd Division, 19th Army Corps, Dept. of the Gulf, to July, 1863. District of Port Hudson, La., Dept. of the Gulf, to July, 1864. Reserve Artillery, Dept. of the Gulf, to February, 1865. Artillery, 3rd Division, Reserve Corps, Military Division West Mississippi, February, 1865. Artillery, 3rd Division, 13th Army Corps, to July, 1865. Dept. of Alabama to September, 1865.
- Duty in the Defences of New Orleans, La., till May, 1863. Expedition to Amite River May 7-19. Action at Civique's Ferry May 10. Moved to Baton Rouge, thence to Port Hudon May 20-22. Siege of Port Hudson
May 22-July 9. Surrender of Port Hudson July 9. Garrison duty at Port Hudson till July, 1864. Action at Plain's Store April 7, 1864. Moved to Morganza July, 1864, and duty there till February, 1865. Campaign against Mobile, Ala., and its defences March 17-April 12. Siege of Spanish Fort
and Fort Blakely March 26-April 8. Fort Blakely
April 9. Capture of Mobile April 12. Duty in the District of Alabama till September. Mustered out September 8, 1865.
Battery lost during service 2 Enlisted men killed and mortally wounded and 1 Officer and 30 Enlisted men by disease. Total 33.
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