Which of the French kings issued a decree on religious tolerance?

The answer is Henry IV of Bourbon. This monarch was at the head of the country from 1589 to 1610. He was the founder of a new ruling dynasty. The edict of Nantes was the state document that proclaimed tolerance on the territory entrusted to Henry IV in the administration of the territory. It was directly approved in April 1589. He granted the Huguenots living in the country, religious equality on a par with the adherents of Catholicism. The provisions of the edict were in force for one century – until 1685.