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.

Two out of five people end up marrying their first love.

A private elementary school in Alexandria, Virginia, accidentally served margaritas to its schoolchildren, thinking it was limeade.

AMAZING FACTS