Browse all content in the Civil War Eastern Theater Region.
Gouverneur Kemble Warren
January 8, 1830 – August 8, 1882 Major General Gouverneur K. Warren was a prominent Union officer, who led the 5th Army Corps of the Army of the Potomac, until Major General Philip Sheridan relieved him of his command following the Battle of Five Forks in 1865. Gouverneur Kemble Warren was born on January 8,…
Harlan’s Light Cavalry
1861–1865 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. In the American Civil War, Ohio provided the federal…
Henry Wager Halleck
January 16, 1815 – January 9, 1872 Henry Wager Halleck was a prominent Union general during the American Civil War. Following a brief but successful stint commanding Union operations in the Western Theater, including the Department of the Ohio, during the early part of the war, Halleck was named General-in-Chief of all United States armies…
Horatio Gouverneur Wright
March 6, 1820 – July 2, 1899 A prominent general officer in the Union Army during the American Civil War, Horatio Wright served briefly as commander of the Department of the Ohio from August 19, 1862 to March 12, 1863. Horatio Gouverneur Wright was born on March 6, 1820, at Clinton, Connecticut. He was the…
Hugh Boyle Ewing
October 31, 1826 – June 30, 1905 Hugh Boyle Ewing was a lawyer, writer, ambassador and soldier, who served the Union army as a general officer in the Eastern and Western theaters during the American Civil War. Hugh Boyle Ewing was born in Lancaster, Ohio on October 31, 1826. He was the fourth child and…
Irish Brigade
February 8, 1862–June 25, 1865 Composed mostly of Irishmen from New York, Massachusetts, and Pennsylvania, including eleven Congressional Medal of Honor recipients, the Irish Brigade suffered the third-highest number of battlefield casualties of any Union brigade during the Civil War. When the U.S Civil War erupted in April 1861, many state militia units offered their…
Iron Brigade
August 9, 1861–July 12, 1865 Composed of regiments from Wisconsin, Indiana, and Michigan, the Iron Brigade sacrificed proportionally more in terms of human life than any other Union brigade during the Civil War. American Civil War lore asserts that on more than one occasion Confederate soldiers were heard to exclaim, "there are those damned black-hatted…
Isaac Ingalls Stevens
March 25, 1818 – September 1, 1862 Isaac Ingalls Stevens was a prominent Union general in the American Civil War who was killed during the Battle of Chantilly on September 1, 1862. Isaac Ingalls Stevens was born on March 25, 1818, in North Andover, Massachusetts. He was the first son and third of seven children…
Jacob Dolson Cox
October 27, 1828 – August 4, 1900 Jacob Cox was a nineteenth century American political and military leader who served as a brigadier general in the U.S. volunteer army during the American Civil War. Jacob Cox was born in Montreal, Canada, on January 8, 1866. Although his family lived in New York, Cox's father was…
James Abram Garfield
November 19, 1831–September 19, 1881 James Abram Garfield was an American political and military leader who rose to the rank of major general in the Union army during the American Civil War, and who served as a U.S. Congressman and Senator before being elected as the 20th President of the United States in 1880. James…