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.

On Sunday, December 7, 1941 at 7:55 AM, the attack on Pearl Harbor commenced.

There are 1,575 steps from the ground floor to the top of the Empire State building.

AMAZING FACTS