Plaza de la Constitución with the Catedral Metropolitana (1573 by Claudio de Arciniega) in the background; The Zócalo is the main plaza or square in the heart of the historic center of Mexico City. Today its formal name is “Constitution Square” (Plaza de la Constitución). However, it is almost always called the “Zócalo” today. This word literally means “base” or “plinth”. Plans were made to erect an column as a monument to Independence, but only the base, or zocalo, was ever built. The plinth was destroyed long ago but the name has lived on. Many other Mexican towns and cities, such as Oaxaca and Guadalajara, have adopted the word “zócalo” to refer to their main plazas, but not all. It has been a gathering place for Mexicans since Aztec tim...