May 1 – Día del Trabajo – Labor Day –
Commemorates the Mexican workers’ union movements (See also Patriotic holidays in Mexico).
Statutory holiday:
Most workers, public and private, are entitled to take the day off with regular pay.
Natalicio de Benito Juarez (Birthday of Benito Juarez) was originally March 21.
Observance: This national holiday is observed on the third Monday of March.
26th President of Mexico
In office: May 15, 1867 – July 18, 1872
March 21st is the birthday of one of Mexico’s great presidents. An important statesman and liberal reformer, Benito Juarez was the first and only full-blooded indigenous leader to serve as president of Mexico. Born in 1806 in the village of Guelatao, Oaxaca, he studied for the priesthood before choosing to pursue a career in law.

Chamber of Benito Juarez (Hemiciclo a Benito Juárez). Neoclassical monument made of marble to Benito Juarez, Mexico’s first indigenous president. Located in the Historic Center of Mexico City. Photo © Can Stock Photo Inc. | demerzel21
Benito Juárez was born in San Pablo Guelatao, Oaxaca, on March 21, 1806. He was a lawyer who later held many public offices including as state legislator, civil judge, government secretary, and governor. In 1853 he was exiled to the United States due to political conflict. The following year he helped publish the Plan de Ayutla, which ended the dictatorship of political leader Antonio Lopez de Santa Anna, thus convening a new Constitutional Congress.
https://www.timeanddate.com/holidays/mexico/benito-juarez
Description – Español: Benito Juárez, siglo XIX, óleo sobre tela, Presidencia de la República. Imagen tomada del libro: Eduardo Báez, La pintura militar de México en el siglo XIX, SDN, 1992, p.120.
Date siglo XIX – Source: https://www.bicentenario.gob.mx
Author: José Escudero y Espronceda | Public domain
https://en.wikipedia.org/wiki/Benito_Ju%C3%A1rez
Benito Juárez, head-and-shoulders portrait, facing front
Date Created/Published: [between 1850 and 1872]
Medium: 1 photographic print on carte de visite mount : albumen.
Reproduction Number: LC-USZ62-7875 (b&w film copy neg.)
Statutory holiday: Holidays observed nationwide. Employees are entitled to a day off with regular pay and schools (public and private) are closed.
February 5 – Constitution Day – Día de la Constitución
Celebrates the Promulgation of the 1857 and 1917 Constitutions.
Observance: First Monday of February.

The Constitution of Mexico, formally the Political Constitution of the United Mexican States (Spanish: Constitución Política de los Estados Unidos Mexicanos) is the current constitution of Mexico. It was drafted in Santiago de Querétaro, in the State of Querétaro, by a constitutional convention, during the Mexican Revolution. It was approved by the Constitutional Congress on February 5, 1917. It is the successor to the Constitution of 1857, and earlier Mexican constitutions.
Source: Wikipedia.org
Copy of the Original Cover of the Political Constitution of the United Mexican States 1917
wikipedia.org/wiki/Constitution_of_Mexico

Copy of the Original Cover of the Political Constitution of the United Mexican States of 1917 with photo of the political leader Venustiano Carranza.
Read more here:
Venustiano Carranza Venustiano Carranza de la Garza (29 December 1859 – 21 May 1920)
Día de la Constitución, or Mexican Constitution Day, is celebrated on February 5th. The Mexican Constitution was drafted in Santiago de Querétaro by a Constitutional Convention during the Mexican Revolution. It was approved by the Mexican Constitutional Congress on February 5, 1917, with Venustiano Carranza serving as the first president under its terms. It is usually recognized with the festivals and street celebrations.
https://www.bajainsider.com/baja-life/holidays/constitutiondaymexico.htm
Statutory Holiday:
Holidays observed nationwide. Employees are entitled to a day off with regular pay and schools (public and private) are closed.
December 1 every six years.
Transmisión del Poder Ejecutivo Federal – Change of Federal Government in México.
A new Mexican president is sworn in every six years on December 1.
Next observance: December 1, 2018.
Enrique Peña Nieto – 2013-2018
The Presidency of the Republic of México.

Official photograph of the President of México, Mr Enrique Peña Nieto. 2013-2018 The Presidency of the Republic. Español: Fotografía oficial del señor Presidente de México Enrique Peña Nieto. Presidencia de la República 2013-2018. Date 21 May 2013, 19:21:39 / Source Own work | Author PresidenciaMX 2012-2018 / https://en.wikipedia.org/