In 1840, Pyotr Ilyich Tchaikovsky, Russian composer, was born on this day.  Here are some of the most important facts of his life found @ Encyclopedia Brittanica. 

Some of Tchaikovsky most popular works include the Nutcracker, a classic ballet at Christmas time, the 1812 Overture,  and The  Magician's apprentice which was made famous as background music in cartoons.

1812 Overture background music for an American history pictorial

Victor Borge playing Tchaikovsky

The Magician's Apprentice

The Nutcracker