MAASTRICHT, NETHERLANDS - AUGUST 30: (L-R) Grand Duchess Maria Teresa of Luxembourg, Grand Duke Henri of Luxembourg, King Philippe of Belgium, Queen Mathilde of Belgium, Daniela Schadt, Queen Maxima of The Netherlands, Joachim Gauck and King Willem-Alexander of The Netherlands attend celebrations marking the 200th anniversary of the kingdom of The Netherlandson August 30, 2014 in Maastricht, The Netherlands.(Photo by Michel Porro/Getty Images)