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April 1, 2024
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jan 1, 127 BC - Hipparchus discovers the process of the equinox
Description:
He calculates the length of the year within 6.5 minutes of the correct value, and uses an early form of trigonometry.
Added to timeline:
3 Oct 2018
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312
timeline of algebra
Date:
jan 1, 127 BC
Now
~ 2152 years ago