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 The Oath of Supremacy was originally imposed by King Henry VIII of England through the Act of Supremacy 1534, but repealed by his daughter, Queen Mary I of England and reinstated under Mary's half-sister, Queen Elizabeth I of England under the Act of Supremacy 1559.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
Chief governor of Ireland Chief governor of Ireland The chief governor was the senior official in the Dublin Castle administration, which maintained English and British rule in Ireland from the 1170s to 1922. The chief governor was the viceroy of the English monarch (and later the British monarch) and presided over the Privy Council of Ireland. In some periods he was in effective charge of the administration, subject only to the monarch in England; in others he was a figurehead and power was wielded by others. "Chief governor" is an umbrella term favoured by eighteenth-century historians Walter Harris and John Lodge and subsequently used