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 The Oath of Supremacy was originally imposed by King Henry VIII of England through the Act of Supremacy 1534, but repealed by his daughter, Queen Mary I of England and reinstated under Mary's half-sister, Queen Elizabeth I of England under the Act of Supremacy 1559.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 Church of England History of the Church of England The formal history of the Church of England is traditionally dated by the Church to the Gregorian mission to England by Saint Augustine of Canterbury in AD 597. As a result of Augustine's mission, Christianity in England, from Anglican (English) perspective, came under the authority of the Pope. However, in 1534 King Henry VIII declared himself to be supreme head of the Church of England. This resulted in a schism with the Papacy. As a result of this schism, many non-Anglicans consider that the Church of England only existed from the 16th century Protestant