After fighting at First Manassas and in Jackson's Valley Campaign, it served in General Early's, W.Smith's, Pegram's, and J.A. Walker's Brigade. The 13th was prominent in the campaigns of the Army of Northern Virginia from the Seven Days' Battles to Cold Harbor, then it moved with Gen. Jubal Early to the Shenandoah Valley and later was involved in the Appomattox operations.