The city that the Spaniards built on the ruins of Tenochtitlan was named Mexico City.
Right.
The Spaniards main town in Mexico was Tenochtitlan, the capital of the Aztec Empire. The Spaniards led by Hernan Cortes conquered Tenochtitlan in 1521, leading to the fall of the Aztec Empire.
1519
Mexico City
1520
It was then destroyed in 1575 by the Spaniards.
That would be Mexico City; built by the Spaniards.
Emperor Montezuma
What happened after Cortes conquered the Aztecs is he went and took control of the Aztecs. He also killed Moctezuma.
In 1521, the Spanish Conquistadors conquered Tenochtitlan, the Aztec capital. As soon as the Spaniards attacked with their Amerindian allies, most importantly the Tlaxcala who donated thousands of soldiers to effort, they were able to overrun the city.
egit