What is the oldest written source in this country that mentions this right?
Jamaica
The Jamaican Order in Council was ratified in 1962. Articles 13, 14(a), and 17 grant religious freedom, equality, and prohibit religious discrimination.
Jamaican Legislature. “The Jamaica (Constitution) Order in Council 1962 .” Jamaican Informational Service . Jamaican Informational Service , 2017. Last modified 2017. Accessed June 16, 2022. https://jis.gov.jm/media/Ja-Constitution-Order-in-Council-1962-full.pdf.