Spiked and studded dog-collars derive from the days of the Ancient Greeks, who would give their sheep-dogs sharply spiked collars to protect their necks from wolves whilst they watched over a Sheppard's flock at night.

If you keep your eyes open by force when you sneeze, you might pop an eyeball out.

The 4th Earl of Sandwich invented the sandwich so he could eat and gamble at the same time.

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