The legends that surround the character of King Arthur give us wonderful tales of conflict, justice, magic, the rule of law, wars, romance, honor, religion, and the uniting of all Britain under one hero-king. However, the roots of those stories and the man Arthur are pretty murky. The earliest written mention of the name assumes the reader has knowledge of the oral history that was once passed down. Alan Lupack tells us what we know and what we don't in this TED-Ed lesson. -via Geeks Are Sexy