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 The Oath of Supremacy was originally imposed by King Henry VIII of England through the Act of Supremacy 1534, but repealed by his daughter, Queen Mary I of England and reinstated under Mary's half-sister, Queen Elizabeth I of England under the Act of Supremacy 1559.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 only that prerogative, which we see to have been given always to all godly Princes in holy Scriptures by God himself; that is, that they should rule all estates and degrees committed to their charge by God, whether they be Ecclesiastical or Temporal, and restrain with the civil sword the stubborn and evildoers. The Bishop of Rome hath no jurisdiction in this Realm of England." The British monarch vows to uphold the constitution of the Church of Scotland (a Presbyterian national church), but does not hold a leadership position in it. Nevertheless, the monarch appoints the Lord High Commissioner to