What is the oldest written source in this country that mentions this right?

Slovakia

Article 30 of Slovakia’s Constitution states that the right to vote granted to Slovakian citizens is universal, equal and direct. Additionally, it states that citizens have the right to vote for their national representatives and in municipal elections. The voting age in Slovakia is 18 years old. (Constitute Project, “Slovakia’s Constitution of 1992 with Amendments through 2017”).

Voting Rights and Suffrage · Country sources (all rights) · Years mentioned: 1992, 2017 · Last edited 2022-12-28 · Edit on GitHub