The Aztecs, and it wasn't on 1519 but on 1521.
The Aztec civilization, led by Emperor Moctezuma, was conquered and destroyed by Hernan Cortes and his Spanish forces in the early 16th century. Cortes arrived in Mexico in 1519 and, with the help of indigenous allies who resented Aztec rule, he was able to defeat the Aztec Empire in 1521.
It was an Empire, led by the Aztec civilization.
The Aztec Civilization qualifies as such.
Hernando Cortez first explored Mexico in 1519, conquering the Aztec civilization in 1521.
1519 when the first Spaniards landed on Mexico's shores.
Hernan Cortes landed on the eastern coast of Mexico.
The Spaniards arrive in Mexico just after the Aztecs.
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