And so my armies swept across the planet, laying siege to kingdom after kingdom, duchy after duchy, tribe after tribe. By the time it was done, the old realms were gone - and a new Empire had risen.
—Gargan the Conqueror
The Gargan Unification War was a conflict fought on the planet Tyrrha - later named Garganath - early during the formation of Gargan's Empire that led to the eventual unification of the planet.
The wars were fought between the fledgling Gargan's Empire and five of the most powerful and largest nations on Tyrrha, respectively. The Conquests were also fought against "numerous and forgotten" petty kingdoms and tribal confederacies, while the bulk of the conflict focused itself on a handful of the most advanced kingdoms on Tyrrha.
When the war had ended, Gargan's Empire reactivated the derelict shipyards on the planet and recolonized the other worlds in and around Gargan Space, by time solidifying their place as a major power in the galactic community.