Arthur was born into a battle torn world while King Uther was in the midst of a fierce war. After his enemies were closing in he gave Arthur to Merlin for protection and soon after he died and Merlin took Arthur to a knight known as Sir Ector. After Uther died Merlin created the Legend of the Sword in the Stone and stated whoever shall pull this sword shall become king. So after many years the sword still remains in the stone when Arthur wandered into the area looking for a sword for his brother Kay and removed the sword from the stone.
Years after removing Excaliber Arthur lead his knights to many victories and soon after peace reigned in the realm. Arthur then creates the knights of the round table where only his most loyal and honorable knights sat and they discussed many things and everyone was able to speak there mind equally.