"Superfly" Jimmy Snuka is the oldest wrestler to ever wrestle an official WrestleMania match at 65 years of age. This record was surpassed by Vince McMahon at WrestleMania 38 (2022) at 76 years old.
The part of Triple H's entrance where he breaks a mirror with a sledgehammer was a prerecorded segment edited into the live entrance.
Vince McMahon originally wanted Greg Valentine involved in the Legends match against Chris Jericho. However, Jericho thought the match would be better with Ricky 'The Dragon' Steamboat instead.
Final WWE PPV appearance for James Snuka a.k.a. Deuce and Sim Snuka, who played the cameraman that gets knocked down by The Undertaker's suicide dive. Snuka would be fired from WWE for failing to catch Undertaker.
WWE officials had secretly been in talks with The Wrestler (2008) star Mickey Rourke to wrestle Chris Jericho at this event. After Mickey prematurely revealed this confidential information to reporters at the 15th Annual Screen Actors Guild Awards (2009) red carpet, his agents backed out on the deal, fearing the news of Mickey wrestling could cost him his chances of winning an Oscar that year. It did.