EXCALIBUR AND ARTHUR
THE STORY
Excalibur is the name of the sword that is owned by king Arthur, the kings of Britain (1136 CE) the sword that was stuck in the rock by Uther Pendragon died. The sword is really powerful because it is said to split anything including steel, and can only be revoked by "true kings," who will lead Britain to prosperity.
But according to Malory, Excalibur was given to Arthur by Lady of the Lake near Bodmin Moor at the request of Merlin, Arthur's magical counselor. Both statements may be true because they are told his first sword was broken in battle against the king of Pellinore and throw it into the lake. then Lady of the Lake takes a broken sword that is dumped by arthur and fix it, then she returns it to Arthur.
After that arthur began a major invasion against the Saxon invaders and the Roman Empire. Arthur was even said to be his own emperor and began the quest for the Holy Grail. However, at that time one of the most trusted knights of King Arthur, Lancelot, had an affair with Guinevere (Arthur's wife).
THE FALL OF KING ARTHUR
This marked the beginning of the fall of King Arthur's triumph. The two lovers fled to the land of Lancelot in Brittany, France. Arthur decided to catch up with him and fight his former best friend. Then England handed over to Mordred, his nephew. When Arthur was fighting along the English Channel, Mordred rebelled, so Arthur was forced to return to his country.
King Arthur managed to kill Mordred, but the king was seriously wounded. On the verge of death, he returns to Avalon. It is said that he had thrown the Excalibur into the royal lake and he himself disappeared into a cave, and vowed that he would return if danger threatened England.
And That's The Story Of Excalibur And King Arthur. Dont Forget to Follow 
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