The Second Battle of Winchester occurred as Confederate Lieutenant General Richard S. Ewell advanced northward through the Shenandoah Valley toward Pennsylvania during the Gettysburg campaign in June 1863. Major General Robert H. Milroy commanded the Union Army garrison defending Winchester. Milroy had received numerous orders to retreat from the position, but he ignored these directives, leaving his forces in place as the Confederate army approached.
The battle took place between June 13 and June 15, 1863, in Frederick County and Winchester, Virginia. Confederate forces stormed the heavily fortified Union positions surrounding the city. The Union army was forced to retreat to a fort overlooking Winchester, which was subsequently abandoned in the evening. The Confederate army pursued the retreating Union forces aggressively, intercepting their line of retreat and causing heavy casualties and chaos among the Union baggage train and columns.
The engagement resulted in one of the worst Union defeats of the war. A large number of Union soldiers and stores were captured during the rout, though Milroy himself escaped. The severity of the defeat prompted severe censure of General Milroy by Union leadership. The battle demonstrated the consequences of ignoring retreat orders and the vulnerability of isolated garrisons when confronted by superior Confederate forces moving with strategic momentum toward Pennsylvania.
The American Civil War (1861–1865) was the deadliest conflict in American history, killing an estimated 620,000 to 750,000 soldiers and an unknown number of civilians. The Confederate States of America, formed by eleven seceding Southern states, faced the Union in four years of warfare across 23 states and territories. Major engagements included First and Second Bull Run, Antietam (the bloodiest single day in American history, September 17, 1862), Chancellorsville, Gettysburg (July 1–3, 1863), Vicksburg (surrendered July 4, 1863), and Sherman's March through Georgia and the Carolinas (1864–1865). President Lincoln issued the Emancipation Proclamation on January 1, 1863, transforming the war's stated purpose to include the abolition of slavery and enabling the enlistment of approximately 180,000 Black men in the United States Colored Troops. Confederate General Robert E. Lee surrendered to Ulysses S. Grant at Appomattox Court House on April 9, 1865. The war resolved the question of secession and ended American slavery, though Reconstruction would face sustained resistance in its attempt to secure civil rights for formerly enslaved people.
Union: 200 captured; Confederate: light
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