 Following the end of hostilities, most of the portion which had considered itself part of the Confederacy Virginia rejoined the Union, with the exception of two northern counties which chose to join West Virginia in 1866.During the American Civil War, some of the earliest campaigns of the Civil War were fought for control of the Staunton-Parkersburg (S-P) Turnpike, as well as the adjacent portion of the Baltimore and Ohio Railroad (B&O).The Battle of Rich Mountain took place on July 11, 1861.