premise: Francis I of France engaged in wars against Henry VII of England.
hypothesis: Francis I of France . He was also known as François au Grand Nez ( `` Francis of the Large Nose '' ) , the Grand Colas , and the Roi-Chevalier ( the `` Knight-King '' ) for his personal involvement in the wars against his great rival the Holy Roman Emperor and King of Spain Charles V. In his struggle against Imperial hegemony , he sought the support of Henry VIII of England at the Field of the Cloth of Gold . The Treaty of Tours was an agreement between Henry VI of England and the Charles VII of France , signed on 22 May 1444 .