What is the oldest written source in this country that mentions this right?
Malta
Article 40(1) of Malta’s 1964 Constitution contains the first guarantee of freedom of religion in the country’s independent history. Meanwhile, Article 2 states that the country’s official faith is the Roman Catholic Apolistic Religion.
“Malta 1964 (rev. 2016).” Constitute. Accessed July 26, 2023. https://www.constituteproject.org/constitution/Malta_2016