Onderonian Civil War

The Onderonian Civil War, also referred to as the Battle of Onderon, the war on Onderon, or as the Liberation of Onderon took place between Separatist-backed Royal Court of Onderon and the Onderon rebels, who were backed by the Galactic Republic during the war's later stages, for control of the planet Onderon in 22 BBY. The civil war did not conclude until 19 BBY.