Donation of Constantine, 9th century, supposedly transferring western Roman imperial power into the hands of the papacy.
Crystal Skull, 19th century, one of several displayed for decades in museums as "pre-Columbian" artifacts.
Piltdown Man, 1912. Charles Dawson's supposed "missing link" combined an orangutan's jawbone with a small human cranium.
Drake's Plate, 1936, proclaiming British territory on the Northern California coast. A prank by the fraternal organization, E Clampus Vitus.
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