“A few years ago, carpenters discovered this stone artifact at the Mexico City Cathedral.  In 1792, a Mexican astronomer and anthropologist named Antonio de León y Gama theorized that the disk was meant to be a calendar.  This proves to me that the Native Americans have a rich history of civilizations and written language.  There were older civilizations here of similar stature to the ancient Egyptians or Greeks.

-Thomas Jefferson 1808″