The Rosemont Horizon was being built at this location on August 13, 1979 when the roof collapsed killing 5 workers. It was later reconstructed and named the Allstate Arena.
Allstate Arena (originally Rosemont Horizon) is a multi-purpose arena in Rosemont, Illinois. It is home to the Chicago Rush of the Arena Football League, DePaul University's men's basketball team, the Chicago Wolves of the AHL, and the Chicago Sky of the WNBA. It is located near the intersection of Mannheim Road and Interstate 90, adjacent to the city limits of Chicago and O'Hare International Airport.