Franz Sigel
By the spring of 1864, Stahel was commander of the 1st Cavalry Division under Franz Sigel in the Shenandoah Valley. At the Battle of New Market, on May 15, 1864, his division was on the left of Sigel's line. It attacked the Confederate line but was repulsed by artillery fire. The division recoiled under attack by the Confederate forces of John C. Breckinridge when they counterattacked.