5,000,000,000 Before the Battle of Yavin, also 4,999,963,547 Before the Tho Yor Arrival, 4,999,996,347 Before the Treaty of Coruscant, or 4,999,999,965 Before the Great ReSynchronization, was a year long before the rise of the Galactic Republic. It was estimated by xenobiologists on the planet Goroth Prime who lived during the rule of the Galactic Empire that their homeworld's first vestiges of life were born five million millennia before them.