WWE Unforgiven is a professional wrestling pay-per-view. It now happens every year in September. The event was put on by World Wrestling Entertainment (WWE). The event was exclusive to the Raw brand from 2003 to 2006. The first event was an In Your House pay-per-view event. It took place on April 26, 1998. It featured the first Inferno match. The combatants were The Undertaker and his brother (kayfabe) Kane. The event was succeeded by WWE Breaking Point.