Chewidden Thursday

Chewidden Thursday (also known as White Thursday, Chewidden Day or Jew-whidn) was a festival celebrated by the tin miners of West Cornwall on the last clear Thursday before (i.e. at least one week before) Christmas. The festival celebrated the discovery of 'white tin' or smelted tin by St Chiwidden, a little-known Cornish saint who in legend was an associate of St Piran.

Robert Hunt in Popular Romances of the West of England states:

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