During WWII, because a lot of players were called to duty, the Pittsburgh Steelers and Philadelphia Eagles combined to become The Steagles.
113
Prior to 1900, prize fights lasted up to 100 rounds.
36
Tug of War was an Olympic event between 1900 and 1920.
209
The practice of identifying baseball players by number was started by the Yankees in 1929.
64
A 'face-off' in hockey was originally called a 'puck-off'.
70
In England, there's a phenomenon called the "half-time kettle effect" where power use surges at half-time during England's matches in the World Cup as everyone turns on their tea kettles at the same time.
3
Kite flying is a professional sport in Thailand.
85