Via Ign.com:

When it hits theaters this December, Rogue One will have the distinction of being the first Star Wars movie to explore the period in between Revenge of the Sith and A New Hope. If you haven’t been following the TV series Star Wars: Rebels or books like Star Wars: A New Dawn and Star Wars: Tarkin, you may not know much about this pivotal piece of the Star Wars timeline.

To help get you primed for the new movie, we’re breaking down everything you need to know about the setting of Rogue One and how Emperor Palpatine rewrote history to make the galaxy forget all about the Jedi.

Click below to see the full article.