Battle of Island No. 10
February 28, 1862 – April 8, 1862
Battle of New Madrid
February 28, 1862 – April 8, 1862
Battle of Oak Grove
June 25, 1862 Fought on June 25, 1862, the Battle of Oak Grove, also known as the Battle of French's Field and the Battle … Read more
Battle of Okolona
February 22, 1864 The Battle of Okolona was the climax of a failed Union expedition led by Brigadier General William Sooy Smith during the … Read more
Battle of Old Men and Young Boys
June 9, 1864
Battle of Opequon
September 19, 1864 Fought on the morning of September 19, 1864, between Philip Sheridan's Army of the Shenandoah and Jubal Early's Army of the … Read more
Battle of Opequon Location
The Battle of Opequon, also known as the Battle of Third Winchester, was the bloodiest engagement of the Shenandoah Valley Campaign of 1864. On … Read more
Civil War Terms and Definitions, O
OOrdnanceMilitary materiel, such as weapons, ammunition, combat vehicles, and equipment.
Edson Baldwin Olds
June 3, 1802 – January 24, 1869 Edson B. Olds was a Copperhead leader and three-term U.S. Congressman from Ohio. In 1862, federal officials … Read more
Edward Otho Cresap Ord
October 18, 1818 – July 22, 1883 A career United States Army officer, Edward O.C. Ord played major leadership roles in both theaters of … Read more
