Who was one of the youngest pharaohs to take the throne?

I'm pretty sure it is tutankhamun also known as king tut

Also known as “Boy King,” King Tut took the throne at the age of nine and became the youngest pharaoh in the Egyptian history. Although he is very famous today after the discovery of his treasure-laden tomb in the Valley of the Kings, King Tut was little known during his time, and his reign had trivial impact on history.

answer; taking up arms to defend the nation;

profound political, administrative, and social changes in the british isles.