The Old Republic Timeline 11: Rebirth of the Sith Empire is the eleventh in the series of in-universe videos, providing backstory for the Star Wars: The Old Republic video game. The video is presented in the form of a record entry made in the Jedi Archives by Jedi Master Gnost-Dural.

It can be viewed here:

https://youtu.be/Q7qG8ui0vk0