Built in 1975, the center has exhibition space of 840,000 sq ft (78,000 m2) and parking available via a Skybridge connected parking garage, which is able to accommodate 8,000 vehicles.
[1] It is located near O'Hare International Airport, Allstate Arena, Rosemont Theatre, and Fashion Outlets of Chicago.
The facility is named after the late mayor of Rosemont, Donald E. Stephens.
Notable events held annually include: The American Numismatic Association held their annual "World's Fair of Money" here in 1991, 1999, 2011, 2013, 2014, 2015, 2019, 2021 and 2022.
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