Noun
a small town in northeastern West Virginia that was the site of a raid in 1859 by the abolitionist John Brown and his followers who captured an arsenal that was located there
Source: WordNetThe attack of John Brown upon Harper's Ferry came upon Virginia like a clap of thunder out of a clear sky. John Sergeant Wise
It was formerly Harper's Ferry with an apostrophe and that form continues to appear in some references. Source: Internet
Maj. Gen. Robert E. Lee, now commanding the armed forces of Virginia, ordered him to report to Colonel Thomas J. Jackson at Harper's Ferry. Source: Internet
They considered that John Brown himself had come to the Eastern Shore to lure slaves away before his ill-fated raid on Harper's Ferry in October 1859. Source: Internet