4260 BBYCanonLegendsInfinities Events The Chiss begin a clandestine exodus from Csilla to colony worlds of the Chiss Ascendancy, maintaining Csilla as the capital but living largely underground, away from the dimming sun. Sources Star Wars: TimelinesAppearancesThrawn Ascendancy: Lesser Evil (First mentioned, simultaneous with Thrawn Ascendancy: Lesser Evil audiobook) (Indirect mention only) (Unknown)Unknown UnknownNoneThrawn Ascendancy: Lesser Evil audiobook (Indirect mention only) (Unknown)Unknown UnknownNone