Ludwig van Beethoven's Piano Concerto No. 1 in C major, Op. 15, was written in 1795, then revised in 1800. The first performance took place on 18 December 1795 in Vienna with Beethoven himself as soloist. It was first published in 1801 in Vienna with dedication to his pupil Princess Anna Louise Barbara Odescalchi, known to her friends as "Babette".
The above text from the Wikipedia article "Piano Concerto No. 1 (Beethoven)" text is available under CC BY-SA 3.0.