The Old Republic Timeline 2: The Mandalorian Blockade is Broken is the second 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 detailed the breaking of the Blockade of the Hydian Way during the Great Galactic War.

It can be viewed here:

https://youtu.be/x72-QABLy-w