cgpgrey

What is a Leap Year? (Patreon)

Published:

2012-02-28 14:00:00

Edited:

2019-02-11 09:53:21

Imported:

2020-07

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What is a Leap Year?

Help support videos like this: https://www.patreon.com/cgpgrey **Grey T-Shirts for sale!**: http://cgpgrey.com/t-shirt Also check out MinutePhysics' video: http://www.youtube.com/watch?v=53glKEPzElA & SciShow: http://www.youtube.com/watch?v=HnDsXhQHrEw