Backlash : In Your House was a professional wrestling pay-per-view ( PPV ) event produced by the World Wrestling Federation ( WWF ) promotion , which took place on April 25 , 1999 at the Providence Civic Center in Providence , Rhode Island . Backlash : In Your House was a professional wrestling pay-per-view event produced by the World Wrestling Federation ( WWF ) promotion , which took place on April 25 , 1999 at the Providence Civic Center in Providence , Rhode Island .