On June 20, Crown Prince Frederik and Crown Princess Mary attended an official dinner at Grote Kerk, which is among The Hague’s oldest buildings. King Willem-Alexander and Queen Maxima of The Netherlands were also present at the dinner. The church was built in the 1300s and today it is used for royal weddings and christenings, among other things. Danish Crown Prince and Crown Princess are making a two-day working visit to The Netherlands.