Catulla (also spelt Catualla, and known indigenously as Cendo-Prae) was the sixth planet in the Theta Pictoris star system, the homeworld of the Catullan civilization and was a member of the United Federation of Planets since 2185. (ST reference: Star Charts) In their distant history the Catullans fought a massive nuclear war which wiped out their knowledge and culture. They struggled for centuries to rebuild their civilization. (ST reference: The Worlds of the Federation)