The Constitution of 1917, adopted on February 5, strengthened Mexico's political system to ensure the safety of individuals and their property.

Its main contributions:

  • Affirmation of the separation of powers (executive, judicial and legislative). For the first time, the legislative branch is divided into the Chamber of Deputies and the Senate.
  • Ratification of direct and anonymous elections. No reelection.
  • Creation of a free municipality. Agrarian reform regarding land ownership.
  • Recognition of freedom of religion, expression and association. Free secular education. An 8-hour workday.