|Union Army of the Shenandoah|
|Country||United States of America|
|Branch||United States Army|
|Active|| July 25, 1861 - March 18, 1862|
August 1, 1864 - June 27, 1865
|Battles||American Civil War|
|Commanders|| MG Robert Patterson|
MG Nathaniel P. Banks
MG David Hunter
MG Philip Sheridan
MG Horatio G. Wright
MG Philip Sheridan
BG Alfred Thomas Torbert
The Army of the Shenandoah was a Union army during the American Civil War. First organized as the Department of the Shenandoah in 1861 and then disbanded in early 1862, it became most effective after its recreation on August 1, 1864, under Philip Sheridan. Its Valley Campaigns of 1864 rendered the Valley essentially resourceless, a condition which would speed the end of the Civil War.
Under the command of Major General Robert Patterson before the three month enlistments of a majority of its troops expired, the Department of Pennsylvania operated as the lone element of Union Army in the Shenandoah Valley of Virginia. After achieving a tactical victory at the Battle of Hoke's Run on July 2 and contributing indirectly to the Union disaster at the First Battle of Bull Run on July 21, its unexpired regiments and commanders were absorbed into a new Department of the Shenandoah under the command of Major General Nathaniel P. Banks on July 25, 1861. Neither Patterson nor Banks referred to his commands as the Army of the Shenandoah in official correspondence, and when the Army of the Potomac adopted a Corps structure on March 18, 1862, Banks' command was redesignated as the "V Corps Provisional."
The force was next created by order of Ulysses S. Grant on August 1, 1864, in response to a raid by Jubal Early and his Confederate army of 15,000 on Washington, D.C., and especially his defeat of Lew Wallace at the Battle of Monocacy Junction. The new Army of the Shenandoah was composed of the Union VI Corps (commanded by Horatio G. Wright), XIX Corps (William H. Emory), and George Crook's Army of West Virginia (VIII Corps). It was placed under Sheridan's command with orders to repel Early, deal with Confederate guerillas, and press on into the Shenandoah Valley in Virginia.
Early, ever the cunning strategist, kept his force moving so as not to be trapped by Sheridan's vastly superior force; his raid had, if anything, a good deal of success for southern morale. Confederate General Robert E. Lee, coming to the conclusion that Early had done all that was practical, ordered Early to return two of his divisions to Richmond and remain to tie up Sheridan. Learning of this, Sheridan waited until Early weakened himself and then attacked at the Third Battle of Winchester on September 19 and then again at the Battle of Fisher's Hill on September 20–21. By the end of these battles, Early's force was effectively out of the war, and Sheridan proceeded with his secondary orders to destroy the ability of the Shenandoah Valley to produce foodstuffs for the Confederacy, torching farms and more than 2,000 mills.
Reinforced again in reaction to the threat of Sheridan's 31,000-man army, Early moved against Sheridan once more. After a decisive cavalry victory by Union forces under Brig. Gen. George Armstrong Custer at the Battle of Tom's Brook, Early’s army launched a surprise attack against Sheridan at the Battle of Cedar Creek on October 19. Initially successful, the Confederates were repelled by a Union counterattack and the Valley was firmly under Union control.
Following their victory, portions of the Army of the Shenandoah were detached to Grant at Petersburg and to William Tecumseh Sherman in Georgia. Sheridan himself joined Grant. Command of the army then passed to Brig. Gen. A. T. A. Torbert until June 27, 1865, when the force was disbanded for the final time.
- April 27 - July 25, 1861: Major General Robert Patterson
- July 25, 1861 - March 18, 1862: Major General Nathaniel P. Banks
- 21 May – 3 July 1864 : Major General David Hunter
- August 7 – October 16, 1864: Major General Philip Sheridan
- October 16–19, 1864: Major General Horatio G. Wright
- October 19, 1864 – April 22, 1865: Major General Philip Sheridan
- April 22 – June 27, 1865: Major General Alfred Thomas Torbert
- July 2, 1861: Battle of Falling Waters (Patterson)
- May 25, 1862: First Battle of Winchester (Banks)
- September 19, 1864: Third Battle of Winchester (Battle of Opequon) (Sheridan)
- September 20 – September 21: Battle of Fisher's Hill (Sheridan)
- October 9: Battle of Tom's Brook (Sheridan)
- October 19: Battle of Cedar Creek (Wright, Sheridan)
- April, 1865: Appomattox Campaign (Torbert)
- ↑ "This Day in History". The History Channel. http://www.history.com/this-day-in-history/sheridan-takes-command. Retrieved 29 October 2012.
- ↑ Williams, Robert, Assistant Adjutant-General.. "General Order, Number 34, Headquarters, Department of the Shenandoah". The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies.. http://www.simmonsgames.com/research/authors/USWarDept/ORA/OR-S1-V02-C009R.html. Retrieved 28 October 2012.
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