The facts around the real King Arthur are mired in myth and folklore, but historians believe he ruled Britain from the late 5th and early 6th centuries.
Many historians agree that while the king was a genuine historical figure in early Britain, he could in fact be a composite of multiple people from an age of poor record keeping.
There are many versions of the Arthur legend, but some common threads are interwoven throughout them.
In 410 AD, the Romans pulled their troops out of Britain and, with the loss of their authority, local chieftans and kings competed for land.
In 449 AD, King Vortigern invited the Angles and Saxons to settle in Kent in order to help him fight the Picts and the Scots.
However, the Angles and Saxons betrayed Vortigern at a peace council where they drew their knives and killed 460 British chiefs.
The massacre was called the Night of the Long Knives, which, according t