What Was an Ulfberht? The Viking Super-Sword You've Never Heard Of
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What Was an Ulfberht? The Viking Super-Sword You've Never Heard Of

Medieval Wisdom 73K views Mar 23, 2026

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00:00 DROP A COMMENT
01:18 THE PROBLEM WITH VIKING STEEL
03:54 THE IMPOSSIBLE METAL
05:53 THE SILK ROAD OF STEEL
08:57 THE COUNTERFEIT CRISIS
12:21 THE RECREATION — PROVING IT WAS POSSIBLE
15:57 THE REAL LESSON

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Around one hundred and seventy Viking-era swords have been found bearing the inscription ULFBERHT — and their steel should not exist. Modern analysis reveals crucible steel with a carbon content three times higher than any other European blade of the period, a level of purity that would not be seen again until the Industrial Revolution. This video traces the Ulfberht from the forges of the Rhine to the trade routes of Central Asia, reveals why most surviving Ulfberhts are actually medieval counterfeits, and follows a modern blacksmith's attempt to recreate one using only historical methods.

SOURCES
Williams, Alan. \

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