HUFFINGTON POST
01/02/2012 12:34 pm ET Updated Dec 06, 2017

'A Short History Of The Modern Calendar' (VIDEO)

For all you curious people wondering why the new year always falls on January 1, here's a history of the modern calendar as compiled by some kind YouTube soul. The short answer: Christians did it. Check out the long answer for an explanation of why.

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(via Have You Seen This)

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