Oath of Supremacy Oath of Supremacy The Oath of Supremacy required any person taking public or church office in England to swear allegiance to the monarch as Supreme Governor of the Church of England. Failure to do so was to be treated as treasonable. The Oath of Supremacy was originally imposed by King Henry VIII of England through the Act of Supremacy 1534, but repealed by his daughter, Queen Mary I of England and reinstated under Mary's half-sister, Queen Elizabeth I of England under the Act of Supremacy 1559. The Oath was later extended to include Members of Parliament and people studying at
History of the Catholic Church sided with and became financial supporters of the Catholic League. This ended under Pope Clement VIII, who hesitantly accepted King Henry IV's 1598 Edict of Nantes, which granted civil and religious toleration to Protestants. The English Reformation was ostensibly based on Henry VIII's desire for annulment of his marriage with Catherine of Aragon, and was initially more of a political, and later a theological dispute. The Acts of Supremacy made the English monarch head of the English church thereby establishing the Church of England. Then, beginning in 1536, some 825 monasteries throughout England, Wales and Ireland were dissolved and Catholic