King Henry III of England was born on October 1, 1207 and died on November 16, 1272. King Henry III of England would have been 65 years old at the time of death or 804 years old today.
There have been nine Kings of England called Henry. Henry I - Henry VIII obviously and also Henry 'The Young King' co-regent with Henry II. Henry 'The Young King' was crowned King of England but...
England is ruled using a constitutional monarchy. This means that there is a king and queen who do have some power, but most of the power comes through the people by means of Parliament.