It recalls the legend of a golden eagle sitting on a cactus while devouring a serpent that signaled to the Aztecs where to found their city, Tenochtitlan.

José María Morelos used a flag with an image of the Virgin to which was added a blue and white insignia with a crowned eagle on a cactus over a three-arched bridge and the letters V.V.M.

[2] The Revolutionary Army also used a flag featuring the colors white, blue and red in vertical stripes.

The first use of the modern colors—green, white and red—was in the flag of the unified Army of the Three Guarantees (pictured above) after independence from Spain was won.

The imperial government that was set up chose a tricolor flag of green, white, and red and charged with the national coat of arms.

As supporters, two griffins from our elders' arms, their upper half in black and the lower in gold; behind the scepter and sword in saltire.

The shield is surrounded by the collar of the Order of the Águila Mexicana, and the motto: "Equidad en la Justicia" [Equity in Justice][8]The current national flag was adopted on September 16, 1968, and was confirmed by law on February 24, 1984.

The current version is an adaptation of the design approved by presidential decree in 1916 by Venustiano Carranza, where the eagle was changed from a front-facing to a side-facing position.

All of these flags used the tricolor pattern, with the only difference being the changes in the coat of arms, which was still charged in the center of the white stripe.

One possible reason for the 1968 flag and arms change was that Mexico City was the host of the 1968 Summer Olympic Games.

3: The Bandera Nacional is a rectangle divided into three vertical stripes of identical measures, with the colors placed in the following order from hoist to fly: green, white, and red.

It could carry a rope or tie of the same colors below the truck.The Mexican tricolor (green, white, red) has been continuously used for a longer time than the Italian one.

[21] Due to the common arrangement of the colors, at first sight, it seems that the only difference between the Italian and the Mexican flag is only the coat of arms of Mexico present in the latter.

Civilians who are present give the following salute to the national flag: standing at attention (firms), they raise their right arms and place their right hands on their chests, in front of the heart.

The national Día de la Bandera (Flag Day) celebration occurs on February 24.

We promise to always be loyal to the principles of liberty and justice that make our homeland the independent nation, humane and generous to which we give our existence.

Es mi bandera, la enseña nacional, son estas notas su cántico marcial.

Venerable and sacred banner that in our yearning like a ray of light rises to the sky flooding through its immortal three-colored canvas our being of fervour and homeland ardour.

The following pledge of fidelity is taken every February 22 and any day whenever new flags are given to institutions in accordance with the form established by Article 3 of the Law on the National Arms, Flag, and Anthem:[28] The pledge taking is taken on this day in a presentation of colours ceremony to units of the Armed Forces, National Guard, law enforcement and emergency organizations, as well as public schools and colleges of the Secretariat of Education.

In the second variant, the entire coat of arms is coloured gold, even the ribbon, lake, stone and talons.

In February 2010, MTV Mexico controversially canceled a much-publicized broadcast of an episode of South Park, called "Pinewood Derby", featuring the flag, because it claimed that the permit had not been issued.

[32] In 2008, Mexican pop singer Paulina Rubio was fined for posing nude wrapped in the flag in a photo shoot for a Spanish magazine.

In a decree issued on July 1, 1999, by Zedillo, the flags were to be placed in Mexico City, Tijuana, Ciudad Juárez, and Veracruz.

[37] Mexico's first largest monumental flag was the one located at the Mirador del Obispado in Monterrey (northeast) with a pole of 120 tonnes (130 short tons) and 100.6 meters (330 ft) in height.