Portal:Mexico/May in the history of Mexico

Events Births Deaths Holidays and observances
 * May 1, 1917 - The Tepic Territory becomes the state of Nayarit.
 * May 2, 1812 - José María Morelos sallies and puts an end to the Siege of Cuautla.
 * May 3, 1518 - Juan de Grijalva discovers the island of Cozumel.
 * May 5, 1862 - Ignacio Zaragoza defeats the French Expeditionary Force at the Battle of Puebla.
 * May 7, 1946 - The Man of Tepexpan, one of the oldest skeletons found in the Valley of Mexico, is unearthed in the town of Tepexpan.
 * May 8, 1846 - Battle of Palo Alto during the Mexican–American War
 * May 10, 1520 - The Massacre in the Great Temple of Tenochtitlan in Tenochtitlan
 * May 13, 1846 - The United States declared war against Mexico.
 * May 13, 1942 - A German U-boat sinks oil tanker Potrero del Llanoin Gulf of Mexico waters. This event propelled Mexico to get involved in World War II, on the side of the Allies, on May 28.
 * May 14, 1836 - Antonio López de Santa Anna signs the Treaties of Velasco, thus ending the Texas Revolution.
 * May 15, 1867 - The city of Querétaro falls to Republican forces led by Gen. Mariano Escobedo, thus ending the Second Mexican Empire. Maximilian I of Mexico is taken prisoner.
 * May 19, 1822 - The Constituent Congress of the Mexican Empire proclaims Agustín de Iturbide as Emperor of Mexico.
 * May 22, 1909 - Francisco I. Madero founds in Mexico City the Anti-Reelectionist Party (Partido Antirreeleccionista) as a platform to oppose the reelection of President Porfirio Díaz.
 * May 25, 1911 - Porfirio Díaz quit office as President of Mexico.
 * May 26, 1521 - The Siege of Tenochtitlan begins.
 * May 31, 1906 - The miners' Cananea strike begins, demanding better work conditions.
 * May 1, 1791 - Felipe Santiago Xicoténcatl
 * May 6, 1839 - Gabriel Mancera
 * May 7, 1780 - Ignacio Aldama
 * May 8, 1753 - Miguel Hidalgo y Costilla
 * May 12, 1899 - Abelardo L. Rodríguez
 * May 17, 1889 - Alfonso Reyes
 * May 20, 1794 - Pedro María de Anaya
 * May 21, 1895 - Lázaro Cárdenas
 * May 22, 1856 - Emilio Rabasa
 * May 25, 1865 - Gregorio Torres Quintero
 * May 26, 1910 - Adolfo López Mateos
 * May 2, 1873 - Leopoldo Río de la Loza
 * May 8, 1895 - Manuel González
 * May 9, 1809 - Melchor de Talamantes Baeza
 * May 10, 1852 - José Mariano Michelena
 * May 10, 1886 - Rafael Lucio Nájera
 * May 14, 1851 - Manuel Gómez Pedraza
 * May 14, 1983 - Miguel Alemán Valdés
 * May 18, 1938 - Juan Sánchez Azcona
 * May 19, 1883 - Jesús García Morales
 * May 21, 1920 - Venustiano Carranza
 * May 22, 1902 - Mariano Escobedo
 * May 23, 1985 - Pedro Coronel
 * May 24, 1919 - Amado Nervo
 * May 28, 1884 - Juan Cordero
 * May 30, 1778 - José de la Borda
 * May 30, 1984 - Manuel Buendía Téllez García
 * May 1 - May Day
 * May 5 - Cinco de Mayo
 * May 10 - Mother's Day
 * May 15 - Teachers' Day