Cheetahs were raced at Romford greyhound stadium in 1937!
60
The household wrench was invented by boxing heavyweight champion Jack Johnson in 1922.
51
It takes 3,000 cows to supply the NFL with enough leather for a year's supply of footballs.
73
In 2011, two men paraglided from the summit of Mt. Everest, arriving at a village in 42 minutes and avoiding the dangerous conventional 3 day descent.
6
A 'face-off' in hockey was originally called a 'puck-off'.
70
The practice of identifying baseball players by number was started by the Yankees in 1929.
64
Babe Ruth wore No. 3 because he batted third.
45