Battle of Unison
1862 CE.
Shown on the map at 39.039°, -77.793°.
The Battle of Unison or Battle of Union refers to a series of American Civil War cavalry skirmishes in Loudoun County, Virginia, between November 1 – 3, 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.
Text from the Wikipedia article Battle of Unison, licensed CC BY-SA 4.0.