Henry IV of England king. The two dukes agreed to undergo a duel of honour (called by Richard II) at Gosford Green near Caludon Castle, Mowbray's home in Coventry. Yet before the duel could take place, Richard II decided to banish Henry from the kingdom (with the approval of Henry's father, John of Gaunt) to avoid further bloodshed. Mowbray himself was exiled for life. John of Gaunt died in February 1399. Without explanation, Richard cancelled the legal documents that would have allowed Henry to inherit Gaunt's land automatically. Instead, Henry would be required to ask for the lands from Richard. After some hesitation, Henry
Henry IV of Castile II's politicking, Henry IV reacted by invading Navarre in support of Charles, Prince of Viana. Charles was the heir to Navarre, and he revolted against his father John II in 1450 when he refused to cede the throne of Navarre. The campaign was a military success, but King Henry made peace with the League of Nobles in August 1461 to ward off the power of the Mendozas, which had allowed John II to intervene in Castille. King John II was in conflict with the Principality of Catalonia, and on the death of his eldest son, Charles of Viana, the principality