| On April 27, 2018, King Willem-Alexander, Queen Máxima, Crown Princess Catharina-Amelia, Princess Ariane, Princess Alexia and Princess Laurentien attend King's Day 2018 (Koningsdag 2018) celebrations in Groningen. King's Day is the national holiday when birthday of the King is celebrated. This year, King's Day is being celebrated in Groningen city. (First photos, the page will be updated.) |
