Act of Supremacy and the English Reformation

The event

Henry VIII's desire to annul his marriage to Catherine of Aragon, who had failed to produce a surviving male heir, in order to marry Anne Boleyn, put him on a collision course with Pope Clement VII, who declined to grant the annulment under pressure from Catherine's powerful nephew, the Holy Roman Emperor Charles V.

Working with advisors including Thomas Cromwell and the newly appointed Archbishop of Canterbury, Thomas Cranmer, Henry engineered a legal and constitutional break from papal authority over the English church, culminating in the Act of Supremacy of 1534, which declared the English monarch "the only Supreme Head on Earth of the Church of England," formally severing papal jurisdiction over the English church.

Henry's motivations were substantially dynastic and personal rather than driven by Protestant theological conviction — he had, in fact, earlier written a treatise defending Catholic sacramental theology against Luther, earning the papal title "Defender of the Faith" — and much traditional Catholic doctrine and liturgical practice initially continued largely unchanged even after the break with Rome, while dissent from either direction, whether continued loyalty to Rome (as with Thomas More and Bishop John Fisher, both executed for refusing the oath of supremacy) or more radical Protestant positions, was suppressed.

Between 1536 and 1541, Henry's government carried out the Dissolution of the Monasteries, confiscating the extensive lands and wealth of England's monastic institutions for the crown — both a major fiscal windfall for the state and an event that permanently transformed the English religious, social, and physical landscape, leaving many ruined abbeys still visible today. The more thoroughly Protestant theological and liturgical reforms associated with the English Reformation, especially Cranmer's Book of Common Prayer, developed more fully under Henry's successor, the young Edward VI.

Other witnesses

• Act of Supremacy, 1534 (full text)

Further reading

• Christian History Magazine 48: Thomas Cranmer and the English Reformation — free full issue
• Catholic Encyclopedia (1913): Anglicanism