Yeah, it was hard for me to find stuff on it. I would wager that most people know nothing about the background of the parade: Please see:
Ok, here’s my source: http://articles.baltimoresun.com/1993-10-30/news/1993303002_1_mummers-hagerstown-parade which is admittedly old, so things could have changed.
I’m blaming the MSM for my loss!!