King's Day or King's Feast (Fête du Roi, in French or Koningsdag, in Flemish) is an official Belgian (holi)day in honour of the Monarchy, which is on Nov 15, the name day of Leopold (the 1st King of Belgium) in the German liturgical calendar and Albert in the Roman calendar. It is celebrated with a Te Deum (laudamus) and a toast to His Majesty the King.