A list of events that occurred on May 12 related to Six Flags.
- 1968 – Tony Hawk is born.
- 1984 – XLR-8 opens at Six Flags AstroWorld.
- 2001 – Acrophobia opens at Six Flags Over Georgia.
- 2018 – Wonder Woman: Golden Lasso Coaster opens at Six Flags Fiesta Texas.