A list of events that occurred on June 13 related to Six Flags.
- 2009 – Six Flags files for Chapter 11 bankruptcy protection.
- 2017 – Wonder Woman: Lasso of Truth opens at Six Flags America.
- 2018 – Cyborg: Cyber Spin opens at Six Flags Great Adventure.
- 2022 - Sharon Parker is named park president of Six Flags Over Texas.