Aztec History By jamisonmurphy Jan 1, 1000 Small, nomadic Aztec tribe begins a period of wandering Jan 1, 1200 First Aztecs settle in the central basin of Mexico Jan 1, 1325 Aztecs settle on islands in Lake Texoco, founding Tenochtitlan Jan 1, 1350 First canals built Jan 1, 1390 Construction of Templo Mayor Jan 1, 1431 Triple Alliance between tribes establishes an empire Jan 1, 1502 Montezuma ascends to the throne Nov 8, 1519 Cortes arrives at Tenochtitlan Jan 1, 1520 Final Aztec ruler ascends the throne Aug 13, 1521 Fall of Tenochtitlan, end of the Aztec empire