The Great American Bash 1999 took place on June 13, 1999 at the Baltimore Arena in Baltimore, Maryland. Hak pinned Brian Knobs after Jimmy Hart accidentally hit Knobs with a steel chair. Knobs was then hit with a kendo stick by Hak. After the match, Hugh Morrus came out and attacked Hak. Roddy Piper was disqualified when Buff Bagwell came out and attacked Ric Flair; as per a prematch stipulation Flair regained the presidency of WCW that he had lost to Piper at Slamboree the previous month. After the match, Piper helped Flair and Arn Anderson to attack Bagwell. Rick Steiner won the match after Sting was attacked backstage by dogs and Rick forced the referee to declare him the winner. Randy Savage was disqualified after Sid Vicious interfered and attacked Kevin Nash with a big boot and a powerbomb.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Hak (w/ Chastity) defeated Brian Knobbs (w/ Jimmy Hart) in a Hardcore match (5:41)
- Hammer defeated Mikey Whipwreck (8:35)
- Buff Bagwell defeated Disco Inferno (10:33)
- The No Limit Soldiers (Konnan and Rey Misterio, Jr.) defeated The West Texas Rednecks (Curt Hennig and Bobby Duncum, Jr.) (10:44)
- Ernest Miller (w/ Sonny Onoo) defeated Horace Hogan (5:10)
- Ric Flair (w/ Arn Anderson and Asya) defeated Roddy Piper by disqualification (8:16)
- Rick Steiner defeated Sting in a Falls Count Anywhere Match to retain the WCW World Television Championship (10:35)
- The Jersey Triad (Diamond Dallas Page and Kanyon) (w/ Bam Bam Bigelow) defeated Chris Benoit and Perry Saturn to win the WCW World Tag Team Championship (19:13)
- Kevin Nash defeated Randy Savage (w/ Gorgeous George, Madusa,and Miss Madness) by disqualification to retain the WCW World Heavyweight Championship (7:29)
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