May 19 is:
Devil's Food Cake Day:
https://appliancechef.mrsgs.com/index.p ... -cake-day/
Pizza Party Day (3rd Friday in May which is May 19, 2023.):
https://www.ajc.com/pulse/15-interestin ... TXQYU2EOY/
Free Pizza: https://www.dailymail.co.uk/femail/arti ... y-Day.html