The various peoples inhabiting Mexico and Central America in early pre-Columbian times were accustomed to record various events, especially in regard to their calendar and the religious ceremonials in relation to it, on long strips of skin or bark. These were usually painted on both sides and folded together like a screen. Several of these codices are still in existence from the Nahua and Zapotec areas in Mexico, but only three have come down to us from the Maya region which is included in the peninsula of Yucatan, the states of Tabasco and Chiapas in Mexico, and portions of Guatemala and Honduras. These three manuscripts.