Voting Rights and Suffrage/History/Country sources/Mexico
What is the oldest written source in this country that mentions this right?
Mexico
Under Article 52, Mexicans of 18 years of age or older may participate in public elections. The House of Representatives shall be elected 1/3rd through uninominal voting and 2/3rds through proportional representation. All 128 senators shall be elected via majority voting by their own state. Under Article 41, elections of the legislative branch and executive branch shall be free, authentic, and periodical through universal and direct voting. (Constitute Project, “Mexico’s Constitution of 1917 with Amendments through 2015” ).