↑Prior to West Virginia becoming a state in 1863, Harpers Ferry was located in Virginia.[5]
↑For example: Horace Greeley, The American Conflict: A History of the Great Rebellion in the United States of America, 1860-64. Volume: 1. (1866), p. 279; French Ensor Chadwick, Causes of the Civil War, 1859-1861 (1906) p. 74; Allan Nevins, The Emergence of Lincoln (1950) v, 2 ch 3; James M. McPherson, Battle Cry of Freedom: The Civil War Era (1988), p. 201; Stephen W. Sears, Landscape Turned Red: The Battle of Antietam (2003) p. 116. The popular usage is without the apostrophe.[6]