Ohio Civil War Union Units 166th through 200th


 * 166th Regiment, Ohio Infantry (National Guard) Organized at Camp Cleveland, Ohio, and mustered in May 13, 1864. Mustered out: Repulse of Early's attack on Washington July 11-12. Mustered out September 9, 1864.


 * 167th Regiment, Ohio Infantry (National Guard) Organized at Hamilton, Ohio, and mustered in May 14, 1864. Mustered out: Six Companies moved to Camp Piatt May 22, and four Companies to Gauley Bridge. Duty at these points guarding supply trains and stores till September. Mustered out September 8, 1864.


 * 168th Regiment, Ohio Infantry (National Guard) Organized at Camp Dennison, Ohio, and mustered in May 19, 1864. Mustered out: to Camp Dennison July 11. Guard duty there and at Cincinnati, Ohio, till September 8. Mustered out September 8, 1864.


 * 169th Regiment, Ohio Infantry (National Guard) Organized at Camp Taylor, Cleveland, Ohio, and mustered in May 13, 1864. Mustered out: Repulse of Early's attack on Washington July 11-12. Mustered out September 4, 1864.


 * 170th Regiment, Ohio Infantry (National Guard) Organized at Bellaire, Ohio, and mustered in May 13, 1864. Mustered out: to Harper's Ferry and duty there till August 24. Mustered out September 10, 1864.


 * 171st Regiment, Ohio Infantry (National Guard) Organized at Sandusky, Ohio, and mustered in May 7, 1864. Mustered out: ordered to Camp Dennison, Ohio. Duty there and at Johnson's Island, Ohio, till August. Mustered out August 20, 1864.


 * 172nd Regiment, Ohio Infantry (National Guard) Organized at Gallipolis, Ohio, and mustered in May 14, 1864. Mustered out: Guard duty at Gallipolis till September. Mustered out September 3, 1864.


 * 173rd Regiment, Ohio Infantry Organized at Gallipolis, Ohio, and mustered in September 18, 1864. Mustered out: Moved to Nashville June 20, and there mustered out June 26. Disbanded at Camp Dennison, Ohio, July 5, 1865.


 * 174th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, August 16 to September 21, 1864. Mustered out: Mustered out at Charlotte, N. C., June 28, 1865.


 * 175th Regiment, Ohio Infantry Organized at Camp Dennison, Ohio, and mustered in October 11, 1864. Mustered out: to Nashville, Tenn., June 23. Mustered out June 27, 1865.


 * 176th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, August 10 to September 21, 1864. Mustered in September 21, 1864. Mustered out: June 18, 1865.


 * 177th Regiment, Ohio Infantry Organized at Camp Cleveland, Ohio, and mustered in October 9, 1864. Mustered out: Mustered out at Greensboro, N. C., June 24 and discharged July 7, 1865.


 * 178th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in September 26, 1864. Mustered out: Duty at Raleigh and Charlotte, N. C., till June. Mustered out June 29, 1S65


 * 179th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in September 29, 1864. Mustered out: June 18, 1865


 * 180th Regiment, Ohio Infantry Organized at Camp Chase September-October, 1864. Mustered out: Duty at Raleigh, Greensboro and Charlotte, N. C., till July. Mustered out July 12, 1865.


 * 181st Regiment, Ohio Infantry Organized at Camp Dennison, Ohio, and mustered in October 10, 1864. Mustered out: Duty at Raleigh, Greensboro and Salisbury till July. Mustered out July 29, 1865.


 * 182nd Regiment, Ohio Infantry Organized at Camp Chase, Ohio, August 4 to October 13, 1864. Mustered out: Mustered out July 7, 1865.


 * 183rd Regiment, Ohio Infantry Organized at Cincinnati and Sandusky, Ohio, September-October, 1864. Mustered out: Duty at Raleigh and Salisbury, N. C., till July. Mustered out July 17, 1865.


 * 184th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in February 21, 1865. Mustered out: Garrison duty at Edgefield, Tenn., July 25 to September 20, 1865. Mustered out September 20, and discharged at Camp Chase, Ohio, September 27, 1865.


 * 185th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in February 25, 1865. Mustered out: Mustered out at Lexington, Ky., September 26, 1865.


 * 186th Regiment, Ohio Infantry Organized at Camp Chase February, 1865. Mustered out: Ordered to Columbus, Ohio, September 19, and mustered out September 25, 1865.


 * 187th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in March 2, 1865. Mustered out: January 20, 1866


 * 188th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in March 4, 1865. Mustered out: Mustered out at Nashville, Tenn., September 21, 1865.


 * 189th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in March 5, 1865. Mustered out: assigned to post duty at Huntsville till September 25. Mustered out September 28, 1865.


 * 191st Regiment, Ohio Infantry Organized at Camp Chase, Ohio, January and February, 1865. Mustered out: Operations in the Shenandoah Valley in vicinity of Winchester, Stevenson's Depot and Jordan's Springs, April to August. Mustered out August 27, and discharged September 5, 1865.


 * 192nd Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in March 9, 1865. Mustered out: Duty in the Shenandoah Valley in the vicinity of Winchester, Stevenson's Depot, Reed's Hill and Harrisonburg till August 25. Mustered out at Winchester September 1, 1865.


 * 193rd Regiment, Ohio Infantry Organized at Camp Chase, Ohio, March, 1865. Mustered out: Moved to Winchester April 4, and duty there till August. Mustered out August 4, 1865.


 * 194th Regiment, Ohio Infantry Organized at Camp Chase March, 1865. Mustered out: Ordered to Washington, D. C., and garrison duty there till October. Mustered out October 24, 1865.


 * 195th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in March 14 to March 20, 1865. Mustered out: Ordered to Alexandria, Va., April 28 and provost duty there till December. Mustered out December 18, 1865.


 * 196th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in March 25, 1865. Mustered out: Moved to Baltimore, Md., and garrison duty there and at Fort Delaware till September. Mustered out September 11, 1865.


 * 197th Regiment, Ohio Infantry Organized at Camp Chase, Ohio, and mustered in March 28, 1865. Mustered out: Moved to Baltimore, Md., July 3, and duty as guards at camps and hospitals around that city till July 31. Mustered out July 31, 1865.


 * 198th Regiment, Ohio Infantry "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 200th Regiment, Ohio Infantry "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.