Henry V of England take a wider share in politics. From January 1410, helped by his uncles Henry Beaufort and Thomas Beaufort, legitimised sons of John of Gaunt, he had practical control of the government. Both in foreign and domestic policy he differed from the king, who discharged the prince from the council in November 1411. The quarrel of father and son was political only, though it is probable that the Beauforts had discussed the abdication of Henry IV. Their opponents certainly endeavoured to defame the prince. It may be that the tradition of Henry's riotous youth, immortalised by Shakespeare, is partly due to
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