'Richard stops the duel between Hereford and Norfolk', 1864. Richard II, (1367-1400) stops the duel between Henry Bolingbroke, 1st Duke of Hereford, (1366- 1413) and Thomas de Mowbray, 1st Duke of Norfolk, (1366-1399). From A Chronicle of England B.C. 55 - A.D. 1485 by James E. Doyle. [Longman, Green, Longman, Roberts & Green, London, 1864]