At the age of 21 he becomes a knight.
their parent :P
It was based in the Middle Ages
An Earl, like a lord or a duke, was an inherited position. You could if you were the heir to those positions and were knighted by the monarch before you inherited the position.
The period of time from 500 AD to 1500 AD is called the Middle Ages.
There was no explorers in the middle ages. When exploration started that is when the middle ages ended.
The third period of the Middle Ages was the Late Middle Ages. The first is called the Early Middle Ages or the Dark Age. The second period was the High Middle Ages.
Early Middle Ages 400 - 700, High Middle Ages 700 - 1300, Late Middle Ages 1300 -1500.
Middle ages
It was not worn in the Middle Ages.
Before the middle ages was Anquity (Greeks and Romans) and after the middle ages was the Renissance
13-14 years old and a knight at 21.
The story appears to take place in Britain during the middle ages.