Mary I became Queen after Lady Jane Grey died. She was a devout Catholic, so she made the Pope the head of the English church again. She married King Philip of Spain, who was also a devout Catholic. People were frightened of King Philip's power and the marriage lead to Wyatt's rebellion, which was crushed by Mary's army. Philip persuaded Mary to fight the French. The English lost. Mary was getting more unpopular and was nicknamed 'Bloody Mary' because of regular headchoppings and burnings of Protestants.