Organized April 4, 1864, from 10th Corps de Afrique Infantry. Attached to 2nd Brigade, 1st Division, Corps de Afrique, Dept. of the Gulf, to July, 1864. Consolidated with 80th United States Colored Troops July 6, 1864, to form new 79th United States Colored Troops. Reorganized July, 1864, by consolidation of 97th and 99th United States Colored Troops. Attached to Pensacola, Fla., District of West Florida, Dept. of the Gulf, to October, 1864. 1st Brigade, 3rd Division, United States Colored Troops, Dept. of the Gulf, to October, 1864. 1st Brigade, District of West Florida, to January, 1865. 3rd Brigade, District of West Florida, to March, 1865. 1st Brigade, 1st Division, District of West Florida, to May, 1865. Pensacola, Fla., District of West Florida and Dept. of Florida, to muster out.
SERVICE.--Duty at Port Hudson, La., until April 17, 1864. Moved to Fort Barrancas, Fla., and duty there until March, 1865. Expedition toward Pollard, Ala., July 21-25, 1864. Camp Gonzales, Fla., July 22. Near Pollard, Ala., July 23. Expedition from Fort Barrancas August 15-19. Expedition to Marianna September 18-October 4. Euchee Anna Court House September 23. Marianna September 27. Expedition up Blackwater Bay October 25-28. Near Milton October 26. Expedition to Pollard, Ala., December 13-19. Mitchell's Creek December 15-16. Pine Barren Ford December 17-18. March from Pensacola to Blakely, Ala., March 20-April 1, 1865. Siege of Fort Blakely April 1-9. Assault and capture of Fort Blakely April 9. Occupation of Mobile April 12. March to Montgomery April 13-25. Duty there until May. Moved to Mobile, thence to Barrancas, Fla., May 23. Expedition to Appalachicola May 31-June 6. Duty at Appalachicola and in District of Florida until September, 1866. Mustered out September 10, 1866.
