Perhaps the greatest known military leader of pre-Columbian Mesoamerica, Ahuizotl began his reign by suppressing a Huastec rebellion, and then swiftly more than doubled the size of lands under Aztec dominance. He conquered the Mixtec, Zapotec, and other peoples from Pacific Coast of Mexico down to the western part of Guatemala. Ahuizotl also supervised a major rebuilding of Tenochtitlan on a grander scale including the expansion of the Great Pyramid or Templo Mayor in the Year 8 Reed