The document summarizes key events and monarchs of the Tudor dynasty in England from 1485-1603. It discusses Henry VII establishing the Tudor dynasty and consolidating power. It then focuses on Henry VIII breaking with Rome over his divorce from Catherine of Aragon and establishing himself as head of the Church of England. His daughters Mary I and Elizabeth I succeeded him, with Mary attempting to restore Catholicism and Elizabeth establishing the Church of England and facing foreign threats during her reign. The document also briefly discusses the origins of Thanksgiving Day in America.