This day in theme parks, September 13th: Uni Social 2010 Learn more about the Creative Team behind Halloween Horror Nights. Visit http://www.HalloweenHorrorNights.com/orlando & click News #HHN — Universal Orlando Resort (@UniversalORL) September 13, 2010 2011 Only. 10. More. Days. Madness. Chaos. Terror. We can’t wait… #HHN 21 — Halloween Horror […]