May 31, 1889. The Johnstown Flood occurred after the failure of the South Fork Dam, located on the south fork of the Little Conemaugh River, upstream of the town of Johnstown, Pennsylvania, U.S.A.

JOHNSTOWN FLOOD
Johnstown Flood from Wikipedia https://en.wikipedia.org/wiki/Johnstown_Flood
Johnstown Flood from The Ballad Index    http://www.fresnostate.edu/folklore/ballads/LG14.html
The Night of the Johnstown Flood · Rock Creek Jug Band     https://www.youtube.com/watch?v=d7EEtO8Dkcc
MUDCAT Lyr Req: Night of the Johnstown Flood    /mudcat.org/thread.cfm?threadid=22181