Mexico Flag: Meaning, Eagle & Snake, History, Ratio & Facts

Mexico’s national flag is divided into three equal vertical bands: green at the hoist, white in the center and red at the fly. The national coat of arms is centered in the white stripe.

The central emblem shows a Mexican golden eagle standing on a flowering nopal cactus growing from a rock in water, while holding a snake in its beak and talon. Oak and laurel branches complete the lower part of the coat of arms.

The scene is rooted in the Mexica foundation tradition of Tenochtitlan. Government historical material describes the eagle and nopal as enduring symbols linking modern Mexico with its pre-Hispanic past.

The meaning of Mexico’s colors has changed over time. In the 1821 Trigarante tradition, official historical material associates white with religion, green with independence and red with union.

Later civic interpretations commonly linked green with hope, white with unity or purity, and red with the blood of national heroes. The modern law defines the flag’s form but does not reduce each color to a single mandatory one-word meaning.

The green-white-red tricolor emerged during the final stage of the independence movement. The 1821 Army of the Three Guarantees used the colors in diagonal bands. Later that year and during the First Mexican Empire, the colors shifted into the vertical arrangement that became the basis of the modern flag.

After the empire ended, the crown was removed from the eagle and republican versions evolved. Venustiano Carranza ordered a profile eagle in 1916, and the contemporary national flag was formally established in 1968.

Mexico celebrates Día de la Bandera on February 24. Government sources state that the observance was established in 1934 and officially recognized in 1940. The date is connected with the Plan of Iguala and the Trigarante flag tradition of 1821.