The Knights of the Round Table (ラウンドテーブルの騎士, Raundotēburu no Kishi) was a group in Britain that came into conflict with the Saxons. They were led by the Knight, King Arthur.
The Knights of the Round Table were characters in the Arthurian legends revolving around King Arthur's best Knights. The naming came from the a special round table as opposed to a square table, in which the round table symbolized King Arthur's regarding his Knights as equals.
During their active time, the Knights of the Round Table came into conflict with the Saxon empire. Suffering losses, the Knights had pitched aid from King Arthur and Excalibur themselves. Together, both the Weapon and Meister defeated the opposition. Excalibur became famous from his exploits during this time from the result of his time within the Knights of the Round Table.