WrestleMania 4 was the fourth annual WrestleMania professional wrestling pay-per-view event produced by the World Wrestling Federation (WWF). It took place on March 27, 1988, at the Historic Atlantic City Convention Hall in Atlantic City, New Jersey.
The main event was the finals of a fourteen-man tournament for the Undisputed WWF Championship, where Randy Savage defeated Ted DiBiase to win the vacant title. The main matches on the undercard were a twenty-man battle royal won by Bad News Brown, Demolition (Ax and Smash) versus Strike Force (Tito Santana and Rick Martel) for the WWF Tag Team Championship, and Brutus Beefcake versus The Honky Tonk Man for the WWF Intercontinental Championship.
- Bad News Brown defeated nineteen other participants by last eliminating Bret Hart in a Twenty-man battle royal
Tournament First Round
- Ted DiBiase (with Virgil and Andre the Giant) defeated Jim Duggan
- Don Muraco (with Superstar Billy Graham) defeated Dino Bravo (with Frenchy Martin) by disqualification
- Greg Valentine (with Jimmy Hart) defeated Ricky Steamboat (with Little Dragon)
- Randy Savage (with Miss Elizabeth) defeated Butch Reed (with Slick)
- One Man Gang (with Slick) defeated Bam Bam Bigelow (with Oliver Humperdink) by countout
- Rick Rude (with Bobby Heenan) vs. Jake Roberts ended in a time-limit draw
- The Ultimate Warrior defeated Hercules (with Bobby Heenan)
Tournament Quarter Finals
- Hulk Hogan vs. Andre the Giant (with Ted DiBiase and Virgil) ended in a double disqualification
- Ted DiBiase defeated Don Muraco (with Billy Graham)
- Randy Savage (with Miss Elizabeth) defeated Greg Valentine (with Jimmy Hart)
- Brutus Beefcake defeated The Honky Tonk Man (c) (with Jimmy Hart and Peggy Sue) by disqualification for the WWE Intercontinental Championship
- The Islanders (Haku and Tama) and Bobby Heenan defeated The British Bulldogs (Davey Boy Smith and Dynamite Kid) and Koko B. Ware
Tournament Semi Finals
- Randy Savage (with Miss Elizabeth) defeated One Man Gang (with Slick) by disqualification
- Demolition (Ax and Smash) (with Mr. Fuji) defeated Strike Force (Rick Martel and Tito Santana) (c) to win the WWE Tag Team Championship
Tournament Final
- Randy Savage (with Miss Elizabeth and Hulk Hogan) defeated Ted DiBiase (with Andre the Giant) Tournament final to win the vacant WWE Championship