Freedom of Religion/History/Country sources/Bhutan
What is the oldest written source in this country that mentions this right?
Bhutan
Bhutan is majority Buddhist and freedom of religion is guaranteed in the Constitution, but requires religious groups to register. As of now, only Buddhist and Hindu groups are registered and Christian organizations have not received an answer (U.S. Department of State, "BHUTAN 2018 INTERNATIONAL RELIGIOUS FREEDOM REPORT").