When it comes to undeniable game-changing moments at "The Grandest Stage of Them All," Bret "The Hitman" Hart vs. Stone Cold Steve Austin in a Submission Match at WWF WrestleMania 13 is just that.

While the Attitude Era might have arguably been the most popular era of WWE to date, the movement began when it's future flagship star lost one of the biggest matches of his career at WrestleMania 13.