Watch FMovies. Congratulations: 50 Years of the Eurovision Song Contest was a television programme organised by the European Broadcasting Union (EBU) to commemorate the Eurovision Song Contest's fiftieth anniversary and to determine the Contest's most popular entrant of its fifty years. Hosted by Katrina Leskanich and Renārs Kaupers, the event took place at Forum, in Copenhagen on 22 October 2005. The host broadcaster was Danmarks Radio (DR). Fourteen songs from the Contest's first half-century, chosen through an internet poll and by a jury, contested the event.