This is the planet that birthed the jedi and the sith. The Jedi followed Ashla. The sit technically were not born on Tython. They were born on Dromund Kaas. But a order of Dark jedi. They followed Bogan. Ashla and Bogan are religious figure heads of the moons of Tython. They fought each other several times the first was at the columns, with the Legions of lettow. That lead to The 100 year darkness. Which lead to the The exiles. There leader was Sorzus Syn.However They eventually left Tython because it as to dangerous. They then created the old (old) republic. However the Sith empire was several thousand years ahead of the jedi in creating a intergalactic empire.