The end of the Clone Wars ushered in a new era for the galaxy. An era of oppression and strife under the hard rule of the Empire led by the Emperor and his apprentice, Darth Vader. Sweeping across the galaxy, Stormtrooper armies cinch control of system after system, forcing worlds to join the Empire or be enslaved by them. For many, it is one in the same.
The hardest hit was the Jedi, who were dealt a fatal blow at the hands of Darth Vader when he destroyed their temple on Coruscant. The once loyal Clonetroopers betrayed the Jedi at the Emperor’s command and slaughtered many unsuspecting Jedi right there on the battlefield. The surviving Jedi fled into hiding and scattered to the wind...
-- Star Wars: Episode III – Revenge of the Sith (2005)
Five Years Later