Montezuma I was the fifth emperor of the Aztec empire. Under his rule the empire had some major expansions and he made two good alliances with some neighboring empires.
Montezuma II was the ninth emperor of the Aztec empire. During his reign the empire reached its climax. It was also under his reign that there was contact between Spain for the first time. It is also under his reign that the empire fell under the rule of the Spanish.