may 28, 585 BC - First Predicted Solar Eclipse

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This marks the first ever predicted solar eclipse, done by Thales of Miletus with a surprising degree of accuracy. While it's unknown how he was able to do this, speculations have shown that the most likely method he used was the Babylonian Saros cycle, an astrological pattern between Earth and its moon that is 223 lunar months long. His prediction is verified through several other philosophers, who give him credit and admiration in their own works. Thales' prediction became a significant milestone in how humanity tries to understand science and space.

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