apr 23, 368 BC - The Greek philosopher Heraclides
Description:
proposes that the apparent daily motion of the stars is created by the rotation of the Earth on its axis once a day, and that the Sun annually circles a central Earth, while the other planets orbit the Sun (a geocentric model with heliocentric aspects)Added to timeline:
Date:
apr 23, 368 BC
Now
~ 2396 years ago