512 ATC. With the disappearance of the Sith toward the end of the Cold War, the Republic has enjoyed several centuries of relative peace and prosperity. The Jedi Order has returned from their ancient homeworld of Typhon, restoring their Temple on Coruscant to its previous grandeur.
What little remnants subsisted of the Sith Empire after its retreat, was no more than a few isolated incidences and skirmishes, the culmination of which posed little real threat to the now complacent Jedi Order. The threat of the Sith has been anhilated.
Or so they thought...