 Virginia was a major battlefield of repeated campaigns between Washington D.C. and the Confederate capital at Richmond, including Battle of First Bull Run in 1861, the 1862 naval ironclad Battle of Hampton Roads, Jackson's Valley Campaign, McClellan's Peninsula Campaign, Battle of Second Bull Run, Battle of Fredericksburg, the 1863 Battle of Chancellorsville, the 1864 Overland Campaign in the Virginia Wilderness and the Siege of Petersburg, and in 1865, "The Surrender" of Lee's army at Appomattox.West Virginia became a state following the Wheeling Conventions.Fifty northwestern counties of Virginia whose population had been underrepresented in the General Assembly were successfully admitted to the Union as a new state on June 20, 1863.