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American Civil War: A Union victory at the Battle of Fort Donelson gave General Ulysses S. Grant the nickname "Unconditional Surrender".

Historical image related to American Civil War: A Union victory at the Battle of Fort Donelson gave General Ulysses S. Grant the nickname "Unconditional Surrender". from February 16, 1862

American Civil War

1861–1865 conflict in the United States

The American Civil War was a civil war in the United States between the Union and the Confederacy, which was formed in 1861 by states that had seceded from the Union. The central conflict leading to war was a dispute over whether slavery should be permitted to expand into the…
Source: Wikipedia (CC BY-SA)

Union army

Land force that fought for the Union (the North) during the American Civil War

During the American Civil War, the United States Army, the land force that fought to preserve the collective Union of the states, was often referred to as the Union army, the federal army, or the northern army. It proved essential to the restoration and preservation of the…
Source: Wikipedia (CC BY-SA)

Battle of Fort Donelson

Battle of the American Civil War

The Battle of Fort Donelson was fought from February 11–16, 1862, in the Western Theater of the American Civil War. The Union capture of the Confederate fort near the Tennessee–Kentucky border opened the Cumberland River, an important avenue for the invasion of the South. The…
Source: Wikipedia (CC BY-SA)

Ulysses S. Grant

Civil War general, U.S. president (1869-1877)

Ulysses S. Grant was the 18th president of the United States, serving from 1869 to 1877. In 1865, as commanding general, Grant led the Union Army to victory in the American Civil War.
Source: Wikipedia (CC BY-SA)