On Arundel's advice, Henry passed the 'De heretico comburendo' and was thus the first English king to allow the burning of heresys, mainly to suppress the Lollard movement.

He founded the Lollard movement, which opposed a number of practices of the Church.

These Bible translations were the chief inspiration and chief cause of the Lollard movement, a pre-Reformation movement that rejected many of the distinctive teachings of the Roman Catholic Church.

The Lollard movement was a precursor to the Protestant Reformation (for this reason, Wycliffe is sometimes called "The Morning Star of the Reformation").

His diocese, which included Oxford and Lutterworth, was the headquarters of the Lollard movement.

Controversy with 'enthusiasts' and with the Lollard movement gave a sharper definition to his exposition of the aims, methods and disciplines of traditional spirituality.

The 'Earthquake Synod' is held in London: Archbishop of Canterbury William Courtenay attacks the Lollard movement led by John Wycliffe.

On Arundel's advice, Henry was the first English king to allow the burning of heretics, mainly to suppress the Lollard movement.

These were both more cogent than the Lollard tenets, and sought to stay the Lollard movement by setting aside ecclesiastical infallibility, and taking the appeal to Scripture and reason alone.

Wycliffe was the inspiration for what would become the Lollard movement, which was considered heretical by the Church.