This document provides an overview of the Tudor monarchs who ruled England from 1485 to 1603. It describes how Henry VII claimed the throne after defeating Richard III and established the Tudor dynasty. It then discusses how Henry VIII broke with the Catholic Church to divorce Catherine of Aragon and establish himself as the head of the Church of England. Finally, it summarizes the reigns of Edward VI, Mary I, and Elizabeth I and how religious tensions arose between Catholics and Protestants during this period.