Recently Updated Entries in the Encyclopedia

7th Regiment Ohio Volunteer Cavalry
In the American Civil War, Ohio provided the federal government with 260 regiments of men, including infantry, artillery, and cavalry units. Ohioans also served in several other regiments from other states, most notably from Kentucky, West Virginia, and Massachusetts, as well as in federal units. Almost 330,000 Ohio men, including 5,092 African Americans, served in the Union military during the conflict. Continue Reading »
Johnson, Andrew
Born into poverty, Andrew Johnson rose to become the seventeenth President of the United States in 1865. Although acquitted in his trial before the U.S. Senate, Johnson remains one of only two presidents ever impeached by the House of Representatives. Continue Reading »
McCook, Alexander McDowell
Major General Alexander McDowell McCook, who served as a divisional and a corps commander with the Army of the Ohio and the Army of the Cumberland, was a member of the “Fighting McCooks,” fifteen family members who served the Union during the American Civil War. Continue Reading »
1st Regiment West Virginia Cavalry
During the American Civil War, the 1st Regiment West Virginia Cavalry consisted of enlistees from several states, with a majority of the men coming from Ohio, modern-day West Virginia, and Pennsylvania. The regiment was principally organized at modern-day Wheeling, Clarksburg, and Morgantown, all in present-day West Virginia, between July 10, 1861 and November 25, 1861. Continue Reading »
Letter from Major General U.S. Grant to Brigadier General Lorenzo Thomas
On July 18, 1863, Ulysses S. Grant acknowledged the receipt of his appointment as major general in the United States Army. Continue Reading »
Special Field Orders, No. 90 (Department of the Mississippi)
On June 10, 1862, Major General Henry W. Halleck issued Special Field Orders, No. 90, dividing his army near Corinth, Mississippi into three separate armies. Continue Reading »
General Orders, No. 62 (District of West Tennessee)
On July 17, 1862, Major General Ulysses S. Grant issued General Orders, No. 62 (Department of West Tennessee) announcing that he was assuming command of the Army of theTennessee, the Army of the Mississippi, and District of Mississippi and Cairo. Continue Reading »
Special Field Orders, No. 161 (Department of the Mississippi)
On July 16, 1862, Major General Henry W. Halleck expanded the District of West Tennessee commanded by Major General Ulysses S. Grant. Continue Reading »
Official Union Documents of the Civil War Indexed by Date
Below is an annotated list of links to official Union Civil War documents related to entries in Ohio Civil War Central. The list is indexed by date. Click on any link to view a transcript of the selected document. Continue Reading »
Official Union Documents of the Civil War Indexed Alpha-numerically
Below is an annotated list of links to official Union Civil War documents related to entries in Ohio Civil War Central. The list is indexed alpha-numerically. Click on any link to view a transcript of the selected document. Continue Reading »
Special Field Orders, No. 35 (Department of the Mississippi)
On April 30, 1862, Major General Henry W. Halleck transferred Major General George H. Thomas from the Army of the Ohio to command the Army of the Tennessee in place of Major General Ulysses S. Grant who became Halleck's second-in-command. Continue Reading »
Special Orders, No. 31 (Department of the Mississippi)
On April 28, 1862, Major General Henry W. Halleck merged the Army of the Tennessee, the Army of the Ohio, and the Army of the Mississippi to form one large army consisting of three corps. Continue Reading »
Gillmore, Quincy A.
Major General Quincy A. Gillmore won military acclaim for his use of rifled artillery during the reduction of Fort Pulaski in 1862. Continue Reading »
Yellow Tavern, Battle of
The Battle of Yellow Tavern (May 11, 1864) was a cavalry engagement during Ulysses S. Grant's Overland Campaign. Continue Reading »
Spotsylvania Court House, Battle of
Fought between May 8 and 21, 1864, the Battle of Spotsylvania Court House was the second major engagement of Ulysses S. Grant's Overland Campaign. Continue Reading »
Carnifex Ferry, Battle of
The Battle of Carnifex Ferry took place in Nicholas County, Virginia (now West Virginia) on September 10, 1861. The Union victory left western Virginia under the control of Federal troops and contributed to the formation of the new state of West Virginia. Continue Reading »
Appomattox Campaign
Taking place during March and April 1865, the Appomattox Campaign culminated with Robert E. Lee's surrender of the Army of Northern Virginia to Ulysses S. Grant at Appomattox Court House, Virginia on April 9. Continue Reading »
Army of the Shenandoah (CSA)
The main Confederate force in northwestern Virginia after the beginning of the American Civil War, the Army of the Shenandoah, reinforced the Army of the Potomac at the Battle of Bull Run I, securing a Confederate victory. Continue Reading »
Burnside, Ambrose E.
Ambrose Everett Burnside was an American politician, industrialist, inventor, and one of four generals to command the Army of the Potomac during the American Civil War. He also served as commander of the Department of the Ohio, where he worked to eradicate opposition to the Union war effort by Peace Democrats and Copperheads. Continue Reading »
Army of Northeastern Virginia
The Army of Northeastern Virginia was the unofficial name of the Union's primary fighting force in the Eastern Theater of the American Civil War prior to the formation of the Army of the Potomac. Continue Reading »

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Ohio Civil War Central: An Encyclopedia of the American Civil War