On this date in 1957, New York State Police in Apalachin, NY interrupted a meeting of about 100 mafia luminaries from the US, Canada, and Italy. The meeting was held at the home of Joseph « Joe the Barber » Barbara, boss of the Scranton-Wilkes Barre, PA mob family. Over 60 of the attendees were detained by police, with an estimated 40 more fleeing into the woods.

Further reading:

Apalachin, NY

Gangsters, Inc. – Mob Meeting at Apalachin: The Big Barbeque

Wikipedia – Apalachin Meeting