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 The Oath of Supremacy was originally imposed by King Henry VIII of England through the Act of Supremacy 1534, but repealed by his daughter, Queen Mary I of England and reinstated under Mary's half-sister, Queen Elizabeth I of England under the Act of Supremacy 1559.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
England mission to Kent led by St Augustine. The established church of England is the Church of England, which left communion with Rome in the 1530s when Henry VIII was unable to annul his divorce to the aunt of the king of Spain. The church regards itself as both Catholic and Protestant. There are High Church and Low Church traditions and some Anglicans regard themselves as Anglo-Catholics, following the Tractarian movement. The monarch of the United Kingdom is the Supreme Governor of the Church of England, which has around 26 million baptised members (of whom the vast majority are not regular