University of California
University of California at San Diego: Aztec Chronology
An extremely detailed chronology of the Aztecs and their predecessors, stretching from 600 AD to 1521, their conquest by the Spaniards. Scroll to the end to find a genealogical chart of the Aztec royal house.
National Endowment for the Humanities
Neh: Edsit Ement: The Aztecs Mighty Warriors of Mexico
Unit plan to teach about the Aztec civilization. Includes websites, worksheets, activities, and extending the lesson.
Other
History of the World the Aztecs
A history of the Aztec civilization, beginning with their travel to the valley of Mexico and ending with the conquest of the Spanish over them. Includes information about agriculture, travel, communication, war, religion, and human...
Khan Academy
Khan Academy: Aztec (Mexica), an Introduction
This article from The British Museum provides a short history of the Mexica (Aztec) peoples and their empire.
American Indian Heritage Foundation
American Indian Heritage Foundation: Aztec Creation
A brief story describing the creation of the world according to Aztec belief called Coatlique.
Mex Connect
People and History of Mexico: The Post Classic Period (900 1521 Ad): The Aztecs
Information on the settlement of the Aztec in Tenochtitlan, which soon became the capital city of their empire, their notable religious observations and customs, and the news of the landing of the bearded white men bearing crosses.