Event: WrestleMania 2
Date: April 7, 1986
Venue: The Nassau Veterans Memorial Coliseum, Uniondale, New York, The Rosemont Horizon in Rosemont, Illinois, and The Los Angeles Memorial Sports Arena in Los Angeles, California
Attendance: 40,085 (combined)

As you can see above, this is the first (and I believe only) WrestleMania event to [...]