Wars of the Roses the Hundred Years' War, unfolding the structural problems of feudalism, combined with the mental infirmity and weak rule of King Henry VI which revived interest in Richard of York's claim to the throne. Historians disagree on which of these factors to identify as the main reason for the wars. With the Duke of York's death, the claim transferred to his heir, Edward, who later became the first Yorkist king of England, as Edward IV. He reigned from 1461, interrupted by a Lancastrian uprising and reinstallment of Henry VI in 1470 to 1471, until his sudden death in 1483. His son
Giovanni Battista Savelli Giovanni Battista Savelli Giovanni Battista Savelli (1422, Rome - September 18, 1498, Castel Gandolfo) was an Italian cardinal from the 15th century. Of the noble Savelli family to which belonged Pope Honorius III (1216–1227) and Pope Honorius IV (1285–1287) and Cardinals: Bertrando Savelli, Silvio Savelli, Giulio Savelli, Fabrizio Savelli, Paolo Savelli and Domenico Savelli. He was called "the Cardinal Savelli". He was honoured protonotary apostolic.Named governor of Bologna, 1468 - 1470. There is no data about his education. Savelli was created cardinal "in pectore" by Pope Paul II in May or June 1471,because of the opposition of Cardinal Latino Orsini