In 21 BBY, as part of the Clone Wars, a battle took place between the Confederacy of Independent Systems and the Galactic Republic in the highest levels of the Quell's atmosphere. The engagement ended with the eradication of Jedi General Aayla Secura's Republic fleet.
- Star Wars: The Clone Wars – "Jedi Crash" (First appearance)
- Star Wars: The Clone Wars – "Defenders of Peace" (Appears in flashback(s))
- LEGO Star Wars III: The Clone Wars (Non-canonical appearance)
- (Indirect mention only)
- The Essential Atlas