Nine Aztec emperors ruled from Tenochtitlán, including
Acamapichtli, the founder of the Aztec imperial dynasty, and Itzcoatl, who
allied Tenochtitlán with Texcoco and Tlacopan.
Montezuma I is credited with improving the administrative
and judicial systems at Tenochtitlán and overseeing many architectural
In 1487, the emperor Ahuitzotl consecrated Tenochtitlán's
Great Temple with tens of thousands of human sacrifices. His successful
military campaigns brought in vast quantities of tribute to the capital, and it
developed rapidly during his rule.
Among Ahuitzotl's additions to the city was its much-needed
second aqueduct to accommodate the growing population.
In 1503, a huge flood that struck Tenochtitlán included Ahuitzotl among its victims.