On this day February 5, 1917
The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
The Political Constitution of the United Mexican States of 1917 is the present constitution of Mexico. It was drafted in Santiago de Querétaro by a Constitutional Convention during the Mexican Revolution. It was approved by the Constitutional Congress on February 5, 1917, with Venustiano Carranza serving as the first president under its terms.
The most important articles, 3, 7, and 13, displayed profound changes in Mexican political philosophy that would help frame the political and social backdrop for the rest of the century.