SummerSlam is an annual professional wrestling pay-per-view event produced by WWE. It is one of the “Big Five” pay-per-views alongside the Royal Rumble, WrestleMania, SummerSlam, and Survivor Series.
The first SummerSlam was held on August 29, 1988, at Madison Square Garden in New York City. The event has since been held at various locations around the world, including Los Angeles, Chicago, Toronto, and London.