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Mexican-American War The U.S. invades Mexico
the war ends with the Treaty of Guadalupe Hidalgo, where Mexico loses more than half of its territory. -
Plan of Ayutla
A liberal revolution ends the dictatorship of Antonio López de Santa Anna. -
Constitution of 1857
A new constitution is enacted, promoting liberal principles such as the separation of church and state. -
Reform War
between liberals and conservatives over the implementation of the Reform Laws. -
Second French Intervention and Second Mexican Empire
France invades Mexico and imposes Maximilian of Habsburg as emperor. In 1867, Benito Juárez overthrows him and restores the Republic. -
Beginning of the Porfiriato
Porfirio Díaz seizes power after the Tuxtepec Revolution, ruling Mexico as a dictator until 1911. -
Start of the Mexican Revolution
Francisco I. Madero launches the Plan of San Luis, calling for an uprising against Díaz. -
Resignation of Porfirio Díaz
Díaz goes into exile, and Madero becomes president. -
Decena Trágica and Coup d’État
Victoriano Huerta betrays and assassinates Madero, taking power. -
Fall of Huerta and conflict among revolutionaries
Huerta resigns, and Mexico is torn between Carranza, Villa, and Zapata. -
Constitution of 1917
A new constitution is enacted, becoming the foundation of modern Mexico. -
Plan of Agua Prieta
The Plan of Agua Prieta was a political manifesto issued on April 23, 1920, by Álvaro Obregón, Plutarco Elías Calles, and Adolfo de la Huerta in the state of Sonora. The plan rejected the presidency of Venustiano Carranza, accusing him of betraying the ideals of the Mexican Revolution and attempting to impose his successor.