Before the Hyperspace Wars   The great Hyperspace War took place 5000 before the battle of Yavin, between the Sith Empire and the Galactic Republic. These were two great empires that grew in isolation not knowing of each others existence.

You May Find These Interesting

Benicio Del Toro, Lara Dern and Kelly Marie Tran confirmed for Star Wars episode VIII	Tron Vehicles	Fantasy Space
Slave I vs Enterprise D vs Acclamator Troop Transport	Star Wars Star Fighters
Rachel Nichols	Honest Trailers - Star Trek - The Next Generation
Babylon 5	Kirk vs. Khan