Excalibur: The Real History Behind King Arthur's Sword

No sword in history is more famous than one that may never have existed. Excalibur has been pulled from stones, handed up from lakes, and reforged in a thousand retellings for over eight hundred years. This guide traces where the legend actually comes from, what the blade would have looked like if a historical Arthur carried one, and what separates a worthy modern Excalibur from a wall-hanger.

Two swords, one legend

Most people merge two different blades. The sword in the stone, drawn by the boy Arthur to prove his right to rule, appears in Robert de Boron's telling around 1200. Excalibur, in the older tradition, is a different sword entirely: given to the king by the Lady of the Lake and returned to the water at his death. Geoffrey of Monmouth, writing around 1136, called it Caliburnus and said it was forged on the Isle of Avalon. The Welsh tales that fed his account name it Caledfwlch, cousin to the Irish legendary blade Caladbolg, meaning roughly "hard cleft." The name itself has been wandering between languages for a millennium.

What would the real blade have been?

If a historical Arthur fought in the fifth or sixth century, his sword would have been a Roman-influenced spatha: a straight, double-edged blade around 30 to 36 inches, the ancestor of the medieval knightly sword. The Excalibur of art and film, a cruciform longsword with a broad guard and heavy pommel, belongs to the High Middle Ages, roughly the same pattern as our longswords and arming swords. Both versions are legitimate; they are simply different centuries' pictures of the same myth.

Choosing an Excalibur today

Decide which Excalibur you want. The medieval cruciform version is the iconic silhouette. Ours comes in two forms: a 29-inch Excalibur in the longsword pattern, and a 34-inch Excalibur in hand-forged Damascus steel, where the pattern-welded layers give the blade the water-marked look the legend deserves.

The checks. Full tang construction, real steel rather than zinc alloy, and a scabbard. Legend says the scabbard was worth ten of the sword; at minimum yours should protect the edge. A display Excalibur earns a stand; our guide to famous sword names covers the rest of the mythic company it keeps.

Frequently asked questions

Was Excalibur real? There is no archaeological evidence of a specific sword, and thin evidence for Arthur himself. The legend, though, is one of the oldest continuous sword stories in the world, over 880 years in written form.

Is Excalibur the sword in the stone? In most medieval versions, no. The stone sword proved Arthur's kingship and broke in battle; Excalibur came from the Lady of the Lake afterward.

What does Excalibur mean? It descends from Welsh Caledfwlch, likely "hard cleft" or "hard lightning," latinized to Caliburnus and gradually reshaped into Excalibur in French romance.

Who could wield Excalibur? In the legends, whoever the sword's rightful giver chose: only Arthur, and briefly Sir Bedivere, who was trusted to return it to the lake.


About the author
Owen Juarbal is Director of Marketing and head writer at Battling Blades. He has been with the company since 2021 and writes or reviews every guide the team publishes. Read more about Battling Blades.