Invasion of Kar'a'katok
Sometime many decades before the year 4050 BBY, the group of fighters, criminals, and pirates called the Nelori Marauders initiated a destructive invasion on the planet of Kar'a'katok with the intention of enslaving the native Shimholt species there.
Sources
- Aliens in the Empire, Part 1: Hierarchy of Power on Hyperspace (article) (content obsolete and backup link not available) (First mentioned)
- The Complete Star Wars Encyclopedia , Vol. II ("Nelori Marauders")