Army of the Potomac
General Joseph E. Johnston’s pulled his Army of the Potomac back from its position at Manassas to the Rappahannock River, abandoning millions of dollars of supplies and equipment. The retreat enraged President Davis, who was surprised by the move and outraged by the waste.
On March 23 Jackson attacked Union forces south of Winchester in the Battle of Kernstown. It was Jackson’s only defeat, but it caused Washington to divert tens of thousands of men from the Peninsula Campaign.