Who says they don't publish partys? Found this in the Notams:

!FDC 3/5802 ZAU IN.. FLIGHT RESTRICTIONS GARY/CHICAGO AIRPORT,
GARY, IN.
DUE TO THE AIRPORT HANGAR PARTY NIGHT AIR SHOW,
EFFECTIVE:
0307182200 UTC UNTIL 0307190400 UTC (JULY 18, 1700 UNTIL 2300
LOCAL)...

What's a Night Air show? Showing off the B-1??? ;-)

I didn't see a Notam for IOW for Sunday's party...