TIL The Egyptians, not Julius Caesar, were the fathers of the modern calendar. The Roman calendar was lunar and had 355 days. Egyptians knew it was 365 days because the Nile would peak on the same day each year. Caesar learned this from his affair with Cleopatra and created the Julian calendar.

http://99percentinvisible.org/episode/the-calendar/



Submitted April 17, 2015 at 10:44AM by jimngo http://www.reddit.com/r/todayilearned/comments/32w5di/til_the_egyptians_not_julius_caesar_were_the/