It's the "Ode to Joy", originally a poem written by Schiller, later on, Beethoven made a symphony out of it (Symphony No. 9). Today it's mostly known as the hymn of the European Union.
Friedrich Schiller was born on November 10, 1759 and died on May 9, 1805. Friedrich Schiller would have been 45 years old at the time of death or 252 years old today.