SummerSlam was held in 2015.
SummerSlam is a professional wrestling pay-per-view ( PPV ) event , produced annually in August by professional wrestling promotion WWE . SummerSlam (1992) . It took place on Saturday August 29 , 1992 , at Wembley Stadium , London , England , but did n't air on pay-per-view until Monday August 31 . SummerSlam ( 2011 ) was a professional wrestling pay-per-view ( PPV ) event produced by WWE that took place on August 14 , 2011 . SummerSlam (2015) . It took place on August 23 , 2015 , at Barclays Center in Brooklyn , New York . SummerSlam ( 2016 ) was a professional wrestling pay-per-view ( PPV ) event and WWE Network event produced by WWE .