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 The Oath of Supremacy was originally imposed by King Henry VIII of England through the Act of Supremacy 1534, but repealed by his daughter, Queen Mary I of England and reinstated under Mary's half-sister, Queen Elizabeth I of England under the Act of Supremacy 1559.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
Supreme Governor of the Church of England Supreme Governor of the Church of England The Supreme Governor of the Church of England is a title held by the British monarch that signifies titular leadership over the Church of England. Although the monarch's authority over the Church of England is largely ceremonial, the position is still very relevant to the church and is mostly observed in a symbolic capacity. The Supreme Governor formally appoints high-ranking members of the church on the advice of the Prime Minister of the United Kingdom, who is in turn advised by church leaders. By 1536, Henry VIII had broken with Rome, seized the