Flag of Mexico

Flag of Mexico
Alex Covarrubias, 9 April 2006. Based on the arms by Juan Manuel Gabino Villascá · Public domain · source
Name	Flag of the United Mexican States
Proportion	4:7
Adoption	16 September 1968 (current law 1984)
Design	Vertical tricolor of green, white and red with the national coat of arms charged in the center
Designer	Various (evolutionary)

Flag of Mexico

The flag of Mexico is the national banner of the United Mexican States, notable for its vertical tricolor of green, white and red bearing the imperial-era and republican-era Coat of arms of Mexico depicting an eagle and serpent over a cactus. The emblem and colors have appeared in contexts from the Mexican War of Independence and the First Mexican Empire through the Mexican–American War, the Reform War and the Mexican Revolution, functioning as a rallying symbol for figures such as Miguel Hidalgo y Costilla, José María Morelos, Agustín de Iturbide and Venustiano Carranza. The flag’s legal status is defined by statutes enacted in the 20th century and revised under administrations including Gustavo Díaz Ordaz and Miguel de la Madrid.

Description

The flag consists of three vertical bands—green hoist, white center and red fly—proportioned 4:7, with the national Coat of arms of Mexico centered on the white band. The coat of arms shows an American kestrel-sized golden eagle (commonly interpreted historically as a Mexican golden eagle) perched on a prickly pear cactus (Opuntia), devouring a serpent; beneath the cactus are oak and laurel branches tied with a ribbon in tricolor. Official specifications produced by the Secretariat of National Defense (Mexico) and the National Institute of Anthropology and History standardize colors, dimensions and emblem placement. Variations exist for the presidential standard used historically by Porfirio Díaz and during the presidency of Lázaro Cárdenas.

History

The tricolor roots trace to military banners of the Army of the Three Guarantees and the accession of Agustín de Iturbide in 1821 following the Plan of Iguala; early versions combined royal and insurgent iconography. The emblem evolved from Aztec and colonial visual traditions, with iconographic antecedents in the Codex Mendoza and Spanish-era depictions commissioned by figures like Bernal Díaz del Castillo. During the Second Mexican Empire under Maximilian I of Mexico, imperial standards altered the heraldry; republican restoration after Benito Juárez reinstated the eagle motif. Nineteenth- and twentieth-century conflicts—Pastry War, Filibuster War, Mexican–American War, French intervention in Mexico, Cristero War—prompted successive legislative clarifications by presidents including Antonio López de Santa Anna, Benito Juárez, Porfirio Díaz, Francisco I. Madero and Álvaro Obregón. The 1824 Federal Republic flag, the 1864 imperial banners and the post-revolutionary 1916 rendition authorized by Venustiano Carranza led to the present design codified by the Law on the National Arms, Flag and Anthem under congressional action during the administrations of Adolfo López Mateos and later refined during Gustavo Díaz Ordaz’s presidency.

Symbolism and Design

Contemporary official interpretation cites the coat of arms as rooted in the founding legend of Tenochtitlan described by Hernán Cortés and recorded in works such as the Borgia Codex and the Mapa de Cuauhtinchan. The tricolor’s meanings have been reinterpreted across eras: early liberals associated green with independence from Spain, white with Roman Catholicism and red with union of Europeans and Americans; later republican narratives linked green to hope, white to unity and red to the blood of national defenders. Artistic treatments by painters like Diego Rivera and José Clemente Orozco incorporated the flag within murals addressing the Mexican Revolution, while writers such as Octavio Paz and historians like Silvia Marina Arrom discussed its semiotic shifts. The eagle-and-serpent motif references Nahua cosmology and military emblems used by rulers including Moctezuma II, and appears in archaeological contexts associated with Aztec ceremonial sites and colonial chronicles by Bernardino de Sahagún.

Legal Status and Protocol

Mexican law governing the flag—the Law on the National Arms, Flag and Anthem—specifies day-to-day protocols, obligations for schools like Secretaría de Educación Pública (Mexico), and penalties for desecration adjudicated in courts such as the Supreme Court of Justice of the Nation. Protocol details cover hoisting on national observances including Independence Day (Mexico), Flag Day (Mexico), Cinco de Mayo commemorations, and during state funerals for presidents like Gustavo Díaz Ordaz and Luis Echeverría. The Mexican Armed Forces carry variants in ceremonies; the National Guard (Mexico) and historic regiments reference specific guidon patterns. Diplomatic missions such as embassies of the United States and Spain in Mexico display the flag per foreign affairs conventions administered by the Secretariat of Foreign Affairs (Mexico).

Variants and Usage

Variants include the civil flag (without coat of arms), the state and naval ensigns employed by institutions like the Mexican Navy and the Secretariat of the Navy (Mexico), the presidential standard used by heads of state from Álvaro Obregón to Andrés Manuel López Obrador, and historical banners such as the banner of the Army of the Three Guarantees. Municipal governments from Mexico City boroughs to states like Jalisco, Oaxaca and Chihuahua adopt the national colors in civic seals and parades; sporting federations such as the Mexican Football Federation and cultural institutions like the National Autonomous University of Mexico incorporate motifs in insignia. The flag appears in popular culture through films about Pancho Villa and Emiliano Zapata, on monuments such as the Monumento a la Revolución and the Ángel de la Independencia, and in commemorative contexts spanning interactions with countries like France and Germany at state visits and international expositions.

Category:Flags of North America Category:National symbols of Mexico