The document provides a timeline of the Tlaxcalteca and affiliated tribes from the 12th century to present day. It details the origins and migration of the seven tribes from Chicomostoc cave, their alliance with the Spanish conquistadors, and the expansion and settlements of the Tlaxcalteca in northern Mexico and what is now Texas. The timeline follows the cultural traditions, technologies, and governance structure maintained by the Tlaxcalteca nation and affiliated tribes today.