SummerSlam became one of World Wrestling Federation ( later World Wrestling Entertainment , and eventually just WWE ) 's most successful events and one of the `` Big Four '' pay-per-views , along with WrestleMania , Survivor Series , and Royal Rumble .
Along with WrestleMania , Royal Rumble and Survivor Series , SummerSlam is one of the `` Big Four '' pay-per-views and was one of the original four yearly WWE pay-per-views .