SummerSlam was the third annual SummerSlam professional wrestling pay-per-view event produced by the World Wrestling Federation (WWF, now WWE). It took place on August 27, 1990, at The Spectrum in Philadelphia, Pennsylvania. The card consisted of ten televised matches, including two main events. The Ultimate Warrior successfully defended his WWF World Heavyweight Championship against Rick Rude in a steel cage match, and Hulk Hogan defeated Earthquake by countout. Wiki: https://en.wikipedia.org/wiki/SummerSlam_(1990)