An imgur album of the history of the Revenants can be found here.
The Revenants began as a merger group between several crews early 2.0. The leaders were TopGun, Vapin, Fresh_Candy, and BuckyHD. A mountaintop base was built to the north of the city of Eslenti.
They were formed primarily as a front against the Pirates, who they went to war against in the First Entente-Conglomerate War, and the Second Entente-Conglomerate War.
The Revenant State
The Revenant State was an oligarchic government shell around the Revenants to give a guise of legitimacy. The oligarchs were TopGun, Fresh_Candy, Vapin, and BuckyHD.