Dashed left edge = started before this timeline ·
Dashed right edge = still ongoing
Events in 546 BC 2
624 BC – 546 BCThales of MiletusThe First PhilosopherOften called the first philosopher; he proposed that water is the fundamental substance of all matter.
610 BC – 546 BCAnaximanderThe InfiniteStudent of Thales; proposed the "Apeiron" (the boundless/infinite) as the origin of all things.