From 71 ABY to 76 ABY, the Chiss, the Galactic Empire, and its' allies squared off against the New Republic, the Jedi Order, and their allies in a galactic series of crises, conflicts, and battles that came to be known as the Chiss War. An attack by anunkown, extragalactic droid species caused all sides of the war to come together and make peace or face mass genocide.