High Quality Content by WIKIPEDIA articles! SummerSlam (1990) was the third annual SummerSlam professional wrestling pay-per-view produced by the World Wrestling Federation (WWF). It took place on August 27, 1990 at The Spectrum in Philadelphia, Pennsylvania. The card featured ten televised matches, including two main events. The Ultimate Warrior successfully defended his WWF Championship against Rick Rude in a steel cage match, and Hulk Hogan defeated Earthquake by countout.