The first book ever written on a typewriter was Tom Sawyer by Mark Twain.

Particles can exist in multiple states until observed.

The Magna Carta influenced later democratic principles.

Jim Thorpe won the pentathlon and decathlon at the 1912 Olympics — King Gustav V of Sweden called him 'the world's greatest athlete.'

High jumpers use the Fosbury Flop — jumping backwards over the bar — introduced by Dick Fosbury at the 1968 Olympics.

Some particles can pass through solid walls.

Particles can exist in multiple states until observed.

The Olympic motto is 'Faster, Higher, Stronger.'.

During World War I, German and Allied soldiers spontaneously declared a truce on Christmas Day 1914 and played football in no man's land.