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may 15, 400 BC - Democritus develops the Atomic Theory
Description:
All Atoms are small, hard, indivisable, and indestructable particles.
Added to timeline:
7 Nov 2017
0
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356
Atomic timeline - Noah Turnquist and Trent Oberreit
Date:
may 15, 400 BC
Now
~ 2426 years ago