Answer:
Tenochtitlan, also known as Mexico-Tenochtitlan, was a large Mexican altepetl in what is now the historic center of Mexico City. The exact date of the founding of the city is unclear. The date 13 March 1325 was chosen in 1925 to celebrate the 600th anniversary of the city.
Step-by-step explanation:
noun. an ancient city and capital of the Aztec empire on the present site of Mexico City; razed by Cortés in 1521.