The Allied Tion Historical Society was an organization based in Lola Curich, Lianna that specialized in the study of the Tion Hegemony. It was funded by Republic Sienar Systems, the House of Tion, and the House of Cron. Just before the start of the Clone Wars, it hosted the "Cradle of the Galaxy" exhibit on Xim the Despot. Its director at that time was Alreeda Tion-Hyme.
- Darth Plagueis
- (First appearance)