The Battle of Axanar was a battle fought by the Federation at Axanar, led by Fleet Captain Garth of Izar.
Garth's tactics and actions in this battle were required reading at Starfleet Academy. (TOS: "Whom Gods Destroy")
- It was not revealed whether the Federation was involved in a battle against Axanar, or if they were allied with Axanar against another party. Its also possible Axanar was under siege or even neutral in the conflict.