Reign of Mary I thumb|Mary I and Philip, during whose reign Elizabeth was heir presumptive Edward VI died on 6 July 1553, aged 15. His will ignored the Succession to the Crown Act 1543, excluded both Mary and Elizabeth from the succession, and instead declared as his heir Lady Jane Grey, granddaughter of Henry VIII's younger sister Mary Tudor, Queen of France. Jane was proclaimed queen by the privy council, but her support quickly crumbled, and she was deposed after nine days. On 3 August 1553, Mary rode triumphantly into London, with Elizabeth at her side. The show of solidarity between the sisters did not last long. Mary, a devout Catholic, was determined to crush the Protestant faith in which Elizabeth had been educated, and she ordered that everyone attend Catholic Mass; Elizabeth had to outwardly conform. Mary's initial popularity ebbed away in 1554 when she announced plans to marry Philip of Spain, the son of Holy Roman Emperor Charles V and an active Catholic.Loades, 27. Discontent spread rapidly through the country, and many looked to Elizabeth as a focus for their opposition to Mary's religious policies.
reign of mary i thumb|mary i and philip during whose reign elizabeth was heir presumptive edward vi died on 6 july 1553 aged 15 his will ignored the succession to the crown act 1543 excluded both mary and elizabeth from the succession and instead declared as his heir lady jane grey granddaughter of henry viii's younger sister mary tudor queen of france jane was proclaimed queen by the privy council but her support quickly crumbled and she was deposed after nine days on 3 august 1553 mary rode triumphantly into london with elizabeth at her side the show of solidarity between the sisters did not last long mary a devout catholic was determined to crush the protestant faith in which elizabeth had been educated and she ordered that everyone attend catholic mass; elizabeth had to outwardly conform mary's initial popularity ebbed away in 1554 when she announced plans to marry philip of spain the son of holy roman emperor charles v and an active catholicloades 27 discontent spread rapidly through the country and many looked to elizabeth as a focus for their opposition to mary's religious policies