History of Mexico is long one. Following is a concise account of Mexico City history. A number of civilizations survived in Mexico before the arrival of Spanish conquistadores in 16 th century. The earliest civilization in the History of Mexico City was Olmec till 400 BC. other civilizations include Maya, Toltec, Aztec, Zapotec, etc. The first Europeans to visit Mexico were Francisco Fernández de Córdoba in 1517 and Juan de Grijalva in 1518.The establishment of the United States and the ideas of the French Revolution had considerable influence on Mexicans. The occupation of Spain by Napoleon led to a revolt in Mexico. Mexico has enjoyed considerable economic development, but most of the benefits have gone to the middle and upper classes. In April 2004, Mexico City's mayor, Andres Manuel Lopez Obrador, was arrested on charges of disobeying court orders in a land dispute. This is in brief the History of Mexico City.