12th Ohio Infantry Regiment was an

infantry Infantry, or infantryman are a type of soldier who specialize in ground combat, typically fighting dismounted. Historically the term was used to describe foot soldiers, i.e. those who march and fight on foot. In modern usage, the term broadl ...

regiment A regiment is a military unit. Its role and size varies markedly, depending on the country, military service, service, or administrative corps, specialisation. In Middle Ages, Medieval Europe, the term "regiment" denoted any large body of l ...

in the Union Army during the

American Civil War The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...

History

The 12th Ohio Infantry Regiment was organized at

Camp Dennison Camp Dennison was a military recruiting, training, and medical post for the United States Army during the American Civil War. It was located near Cincinnati, Ohio, not far from the Ohio River. The camp was named for Cincinnati native William ...

Cincinnati, Ohio Cincinnati ( ; colloquially nicknamed Cincy) is a city in Hamilton County, Ohio, United States, and its county seat. Settled in 1788, the city is located on the northern side of the confluence of the Licking River (Kentucky), Licking and Ohio Ri ...

, on May 3, 1861, for three-months service, and reorganized on June 28 for three years, under Colonel John W. Lowe, who was killed early in the war and was succeeded by Col.

Carr B. White Carr Baily White (1823–1871) was a physician, an officer during the Mexican War and a general during the American Civil War. His Civil War service was entirely in western Virginia and Maryland. White was born in Mason County, Kentucky, but mov ...

. The 12th Ohio served in

western Virginia Western Virginia is a geographic region in Virginia comprising the Shenandoah Valley and Southwest Virginia. Generally, areas in Virginia located west of, or (in many cases) within, the piedmont region are considered part of western Virginia. T ...

until August 1862, when it was transferred to the

Army of the Potomac The Army of the Potomac was the primary field army of the Union army in the Eastern Theater of the American Civil War. It was created in July 1861 shortly after the First Battle of Bull Run and was disbanded in June 1865 following the Battle of ...

and participated in the battles of

Second Bull Run The Second Battle of Bull Run or Battle of Second Manassas was fought August 28–30, 1862, in Prince William County, Virginia, as part of the American Civil War. It was the culmination of the Northern Virginia Campaign waged by Confederate ...

, South Mountain and

Antietam The Battle of Antietam ( ), also called the Battle of Sharpsburg, particularly in the Southern United States, took place during the American Civil War on September 17, 1862, between Confederate General Robert E. Lee's Army of Northern Virgin ...

. In the fall of 1862, it was again transferred to western Virginia and did efficient service until the spring of 1864, when it joined Hunter's expedition to

Lynchburg, Virginia Lynchburg is an independent city (United States), independent city in the Commonwealth (U.S. state), Commonwealth of Virginia in the United States. First settled in 1757 by ferry owner and Abolitionism, abolitionist John Lynch (1740–1820), J ...

. The regiment returned to

Columbus, Ohio Columbus (, ) is the List of capitals in the United States, capital and List of cities in Ohio, most populous city of the U.S. state of Ohio. With a 2020 United States census, 2020 census population of 905,748, it is the List of United States ...

, and was mustered out July 11, 1864. Union Army Brigadier General Jacob Ammen began his Civil War service as a captain in the 12th Ohio Infantry before being promoted to command the 24th Ohio Infantry Regiment. Harrison G. Otis served as a Sergeant, and then Lieutenant, in Companies I and B before transferring to the

23rd Ohio Infantry The 23rd Ohio Infantry Regiment was an infantry regiment in the Union Army during much of the American Civil War. It served in the Eastern Theater in a variety of campaigns and battles, and is remembered with a stone memorial on the Antietam Na ...

and being wounded at the Second Battle of Kernstown. The 12th Ohio Infantry sustained 455 men killed, wounded and missing.

References

Sources

Ohio in the Civil War - 12th OVI Page by Larry Stevens
Units and formations of the Union army from Ohio 1861 establishments in Ohio Military units and formations established in 1861 Military units and formations disestablished in 1864 1864 disestablishments in Ohio {{AmericanCivilWar-unit-stub