Dutch Queen Beatrix (left) signs the Act of Abdication in favor of her son Prince Willem-Alexander (center), who became the first Dutch king in more than a century, in the Mozeszaal, or Moses Hall, of the Royal Palace in Amsterdam on Tuesday, April 30, 2013. With them is Princess Maxima, Willem-Alexander's wife, who became queen. (AP Photo/Bart Maat, Pool)

Photo by: Bart Maat

Dutch Queen Beatrix (left) signs the Act of Abdication in favor of her son Prince Willem-Alexander (center), who became the first Dutch king in more than a century, in the Mozeszaal, or Moses Hall, of the Royal Palace in Amsterdam on Tuesday, April 30, 2013. With them is Princess Maxima, Willem-Alexander's wife, who became queen. (AP Photo/Bart Maat, Pool)