Armageddon was a pay-per-view ( PPV ) event consisting of a main event and undercard of championship matches and other various matches . The first Armageddon event took place on December 12 , 1999 at the National Car Rental Center and aired live on PPV . The event was replaced by Vengeance in 2001 due to the September 11 attacks ; WWE felt that the name of the event would offend victims of the attacks
September 11 attacks
September 11 attacks
WWE Armageddon