Today, Crown Princess Catharina-Amalia of the Netherlands celebrates her 18th birthday. The Princess of Orange, the eldest daughter of King Willem-Alexander and Queen Maxima, was born on December 7, 2003 in The Hague. The Princess of Orange will one day be the Queen of the Netherlands. By turning 18, the Princess reached the age of majority. The occasion will be marked by the Crown Princess’ attendance at an extraordinary meeting of the Council of State, one of the independent legislative bodies of the country.