The King of England was the head of the Anglican Church from the time of Henry VIII in 1534.Download as PDF ... Beginning in 1535, all English subjects, including those in English colonies, were required to the Oath of Supremacy:"I (state your name) do utterly testify and declare in my Conscience, that the King's Highness is the only Supreme Governor of this Realm ... in all Spiritual or Eclesiastical things ... So help me God." For most of England's history from 1535 to 1829, not to take the Oath of Supremacy was considered treason, resulting in government prosecution, fines,...