The Battle of Third Winchester took place on September 19, 1864, during the American Civil War. It was fought between the forces of the Union, led by General Philip Sheridan, and the Confederate troops under General Jubal Early. This battle was part of the larger Shenandoah Valley Campaign and aimed to secure the valley for the Union. The Union victory at Third Winchester was significant, as it marked a turning point in the campaign. Sheridan's forces effectively pushed Early's troops back, leading to the eventual Union control of the Shenandoah Valley, which was crucial for supply lines and military strategy.