May 20 | Six Flags Wiki | Fandom

Statement about the Six Flags-Cedar Fair merger
Click here for our statement about how wiki content will change following the Six Flags-Cedar Fair merger.

READ MORE

A list of events that occurred on May 20 related to Six Flags.

2016 – Fireball opens at Six Flags New England.
2017 – The Joker opens at Six Flags Over Texas.
2023 – ESIX Gaming opens at Six Flags Fiesta Texas.