This day in theme parks, September 20th: Uni Social 2010 4 days until Halloween Horror Nights XX begins… http://www.HalloweenHorrorNights.com/orlando #HHN — Universal Orlando Resort (@UniversalORL) September 20, 2010 2011 Yesterday was Blood Day – when we splatter everything within our horrifying haunted houses in the rich, red substance… http://t.co/JOuiMlt9 — […]