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140th Ohio Infantry
Country United States
Branch Infantry
Allegiance Union
Service history
Active May 10, 1864 to September 3, 1864

The 140th Ohio Volunteer Infantry (or 140th OVI) was an infantry regiment in the Union Army during the American Civil War.


The 140th Ohio Infantry was organized in Gallipolis, Ohio and mustered in May 10, 1864 for 100 days service under the command of Colonel Robert B. Wilson.

The regiment left Ohio for Charleston, West Virginia, May 10. Assigned to duty as garrison at Charleston and on guard duty along the Kanawha and Gauley Rivers until September. The 140th Ohio Infantry mustered out of service September 3, 1864 at Gallipolis.

Ohio National GuardEdit

Over 35,000 Ohio National Guardsmen were federalized and organized into regiments for 100 days service in May 1864. Shipped to the Eastern Theater, they were designed to be placed in "safe" rear areas to protect railroads and supply points, thereby freeing regular troops for Lt. Gen. Ulysses S. Grant’s push on the Confederate capital of Richmond, Virginia. As events transpired, many units found themselves in combat, stationed in the path of Confederate Gen. Jubal Early’s veteran Army of the Valley during its famed Valley Campaigns of 1864. Ohio Guard units met the battle-tested foe head on and helped blunt the Confederate offensive thereby saving Washington, D.C. from capture. Ohio National Guard units participated in the battles of Monacacy, Fort Stevens, Harpers Ferry, and in the siege of Petersburg.


The regiment lost 2 enlisted men during service, both due to disease.


  • Colonel Robert B. Wilson

See alsoEdit


  • Dyer, Frederick H. A Compendium of the War of the Rebellion (Des Moines, IA: Dyer Pub. Co.), 1908.
  • Ohio Roster Commission. Official Roster of the Soldiers of the State of Ohio in the War on the Rebellion, 1861–1865, Compiled Under the Direction of the Roster Commission (Akron, OH: Werner Co.), 1886-1895.
  • Reid, Whitelaw. Ohio in the War: Her Statesmen, Her Generals, and Soldiers (Cincinnati, OH: Moore, Wilstach, & Baldwin), 1868. ISBN 9781154801965
  • PD-icon This article contains text from a text now in the public domain: Dyer, Frederick H. (1908). A Compendium of the War of the Rebellion. Des Moines, IA: Dyer Publishing Co.

External linksEdit

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