premise: SummerSlam was held in 2001.
hypothesis: SummerSlam . The inaugural SummerSlam took place on August 29 , 1988 at Madison Square Garden in New York City and was broadcast via pay-per-view . SummerSlam (1990) . It took place on August 27 , 1990 , at The Spectrum in Philadelphia , Pennsylvania . SummerSlam ( 2011 ) was a professional wrestling pay-per-view ( PPV ) event produced by WWE that took place on August 14 , 2011 . SummerSlam ( 2016 ) was a professional wrestling pay-per-view ( PPV ) event and WWE Network event produced by WWE . It took place on August 21 , 2016 at the Barclays Center in Brooklyn , New York .