King Henry refers to several English monarchs, the most famous being King Henry VIII, who ruled from 1509 to 1547. He is known for his six marriages and his role in the English Reformation, which led to the Church of England's break from the Roman Catholic Church. His reign was marked by significant political and religious changes. Another notable King Henry is Henry II, who ruled from 1154 to 1189. He is recognized for his legal reforms and the establishment of common law in England. His reign also saw conflicts with Thomas Becket, the Archbishop of Canterbury, which ultimately led to Becket's martyrdom.