March 28th 2009 -
https://thethirdturn.com/wiki/2009_Dean_King_Memorial
& this appears to be about ALL of them!? (although I don't see at least the Jan 19, 2008 one on there...which I know did happen...video on ubtube, the one I always watch wasn't dated correctly tho...)
https://thethirdturn.com/wiki/Southern_Illinois_Center
At a quick glance, it does look like 2012 was the one that was cancelled because of the snow