This Day in History: 1398-01-31

On 31st January 1398, a commission convened at Bristol, led by John of Gaunt, lord of Pontefract, to investigate claims by Thomas Mowbray, Duke of Norfolk, concerning plots about  the destruction of the House of Lancaster. A quarrel between Mowbray and Henry Bolingbroke, then Duke of Hereford and later Henry IV, was mediated by Richard II at Windsor that April in demanding both lords fight out their differences in a duel.