Joseph Hooker (1814-1879) was an American Union general. From October 1861 to September 1862, he was in command of Hooker's
Division, 2nd Division of the III Corps, and the III Corps of the Army of Virginia, and then led the I Corps, Army of the
Potomac at South Mountain and Antietam. Commissioned Brigadier General on September 20, 1862, he commanded the V Corps and
led the Centre Grand Division at Fredericksburg. In January 1863, he was named commander of the Army of the Potomac. Following
his defeat at Chancellorsville, he was relieved of his command and replaced by George Meade. On September 24, 1863 he was
given command of the XX Corps and led them in the Chattanooga and Atlanta campaigns. He resigned his command on July 28, 1864,
and served with the Northern Department until the end of the war.
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