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

Tunisia

Under Chapter I, Article 5, Freedom of religion is asserted in the Constitution of the Republic of Tunisia. Article 5 specifically guarantees fundamental freedoms and human rights, covering Freedom of religion and conscience in the last point made, “provided it does not not disturb public order."

Constitute Project. 1959 Constitution of the Republic of Tunisia. https://www.constituteproject.org/constitution/Tunisia_2008

Freedom of Religion · Country sources (all rights) · Last edited 2024-06-18 · Edit on GitHub