A list of events that occurred on April 7 related to Six Flags.
- 1979 – Six Flags Over Mid-America opens for the 1979 season.
- 1982 – Joust-A-Bout opens at Six Flags Great Adventure.
- 1990 – Viper opens at Six Flags Magic Mountain.
- 2001 – Nitro opens at Six Flags Great Adventure.