The Kingdom of France was one of the most powerful states to exist in Europe's development during the second millennium. It originated from the Western portion of the Frankish empire, and consolidated significant power and influence over the next thousand years. Louis XIV, also known as the Sun King, developed a powerful state and legal theory of absolute monarchy. Eventually, the influences of the Enlightenment and the American War of Independence caused the country to collapse into revolution, as the Kingdom gave way to the Kingdom of the French.---------The royal arms of the Kingdom of France after the conclusion of the French Wars of Religion. Again the arms of the Kingdom of Navarre impaled with the France Moderne, indicating the personal union of the two realms as a result of the ascension of King Henry IV to the throne.