Battle of Unison

Battle of Unison
Part of the American Civil War
Date October 31-November 2, 1862 Location Loudoun County, Virginia Result Inconclusive
Belligerents
United States (Union)	CSA (Confederacy)
Commanders and leaders
George McClellan	JEB Stuart
Strength
Divisions	Brigade
Casualties and losses
?	?

The Battle of Unison or Battle of Union refers to a series of American Civil War cavalry skirmishes in Loudoun County, Virginia, between October 31 – November 2, 1862, between the Confederate forces of J.E.B. Stuart and various units of the Union Army of the Potomac. Although driven from the field in individual engagements, Stuart accomplished his mission to delay the enemy and screen the movements of the retreating Army of Northern Virginia.

Following the Battle of Antietam, Robert E. Lee and his Army of Northern Virginia limped back into Virginia through the Shenandoah Valley. On October 10, 1862, J.E.B. Stuart and his cavalry set out from Williamsport to ride around the Federal army for the second time in the war in his Chambersburg Raid. On October 12, 1862, Stuart completed his ride and reentered Virginia via White's Ford in Loudoun County, bringing along nearly 1,200 captured horses. Stuart quickly passed through the county and crossed over Snickers Gap into the Shenandoah Valley to rejoin Lee's army.

On October 27, George B. McClellan and his Army of the Potomac belatedly reentered Virginia in pursuit of Lee, crossing the Potomac River around Berlin (present day Brunswick, Maryland) and Harpers Ferry. The Union army proceeded down the Loudoun Valley, foraging off local farms. On October 30, Stuart, with Brigadier General Fitzhugh Lee's brigade and Major John Pelham's artillery, reentered Loudoun County to reconnoiter the enemy's position and screen the movement of the Army of Northern Virginia as it repositioned itself south of the Rappahannock River. After crossing the Blue Ridge into Loudoun County, they bivouacked in Bloomfield for the night.

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