7 May, 1840.
The Nutcracker by Tchaikovsky made its first debut on the 18th of December in 1892. It was originally choreographed by Marius Petipa and Lev Ivanov with a score by Pytor Llyich Tchaikovsky.
Tchaikovsky
There was no Franz Tchaikovsky. Peter (Piotr) Tchaikovsky died in 1893 of cholera, during an epidemic.
Tchaikovsky's father's name was Ilya Tchaikovsky and his mother's name was Alexandra Tchaikovskaya.
Well, Tchaikovsky was a composer of the Romantic Period, so the music itself would have to be Romantic, but its also a waltz (obviously).
Piotr Ilyich Tchaikovsky, Russian Romantic Composer.
Pyotr Ilyich Tchaikovsky had four brothers who were Nikolai, Ippolit, and twins Anatoly and Modest, a sister, Alexandra and a half-sister Zinaida from his father's first marriage.
Tchaikovsky, usually referred to by his last name only, was a famous Russian music composer of the 19th century. Wikipedia has an extensive article about him.
He started taking piano lessons when he was five.
If you mean Piotr Tchaikovsky, he won an Honorary Doctor of Music Degree from Cambridge University in 1893
Piotr Loretz was born in 1946.
Piotr Wyrwas was born on June 22, 1958.