A list of events that occurred on July 19 related to Six Flags.
- 2000 – A 12-year-old girl from McHenry, Illinois suffers two crushed toes after the floor of Cajun Cliffhanger at Six Flags Great America was improperly raised prior to the ride coming to a complete stop. A second guest also had her foot trapped in this accident. The ride was permanently shut down as part of an out-of-court settlement.
- 2003 – Lee Ann Womack in concert at Six Flags St. Louis.
- 2013 – A 52-year-old woman from Dallas, Texas falls to her death while riding the New Texas Giant roller coaster at Six Flags Over Texas. The incident sparked an investigation that ultimately led to a complete redesign of the ride's restraint system.