Upload

Loading icon Loading...

This video is unavailable.

Re: Leap Years, 2012 & The Mayan Calendar

Sign in to YouTube

Sign in with your Google Account (YouTube, Google+, Gmail, Orkut, Picasa, or Chrome) to like CGP Grey's video.

Sign in to YouTube

Sign in with your Google Account (YouTube, Google+, Gmail, Orkut, Picasa, or Chrome) to dislike CGP Grey's video.

Sign in to YouTube

Sign in with your Google Account (YouTube, Google+, Gmail, Orkut, Picasa, or Chrome) to add CGP Grey's video to your playlist.

Published on Mar 14, 2012

Help support videos like this: http://www.cgpgrey.com/subbable
**CGPGrey T-Shirts for sale!**: http://goo.gl/1Wlnd
Go read The Diamond Age: http://goo.gl/jO8MY It's pretty great.

SciShow on the Mayan Calendar: https://www.youtube.com/watch?v=KjKUq...

The National Geographic Style Guide on Maya vs Mayan: http://stylemanual.ngs.org/home/M/maya

The Sun Stone: http://www.flickr.com/photos/kimberly...

Music is from: http://freemusicarchive.org/music/Bro...

If you would like to help me make more videos please join the discussion on:

Google+: http://plus.google.com/11541524163390...

Twitter: http://twitter.com/#!/cgpgrey

Facebook: http://www.facebook.com/pages/Greys-B...

Or suggest ideas and vote on other peoples' ideas at by blog:

Loading icon Loading...

Loading icon Loading...

Loading icon Loading...

The interactive transcript could not be loaded.

Loading icon Loading...

Loading icon Loading...

Ratings have been disabled for this video.
Rating is available when the video has been rented.
This feature is not available right now. Please try again later.

Loading icon Loading...

Advertisement
Loading...
Working...
to add this to Watch Later

Add to