West Virginia became a state on June 20, 1863, in the midst of the Civil War.
West Virginia Statehood Resources, West Virginia State Archives
West Virginia Independence Hall, Birthplace of West Virginia
A House Divided: Statehood Politics and the Copperhead Movement in West Virginia, by Richard Orr Curry, University of Pittsburgh Press, Digital Edition.
Toward Statehood: Western Virginia on the Eve of War by Dr. Mark A. Snell
Civil War Trust’s Hallowed Ground Magazine, Fall 2011
The Tarnished Thirty-Fifth Star, by C. Stuart McGehee, Virginia at War 1861, edited by William C. Davis and James I. Robertson, Jr., Virginia Center for Civil War Studies, 2005. [see below]