On May 28, King Willem Alexander and Queen Maxima attended the volunteer day "NLdoet 2021" at community center Cultuurhuis De Paulus in Oegstgeest. The annual NLDoet is the largest volunteer action in the Netherlands and take place for the seventeenth time this year. NLDoet is organized by Oranje Fonds, the largest national social fund in The Netherlands. King Willem-Alexander and Queen Máxima are the patrons of the Oranje Fonds.