Queen Beatrix will abdicate Tuesday after 33 years as the Dutch monarch . Willem-Alexander will be first king the Dutch have had in more than 120 years . The Netherlands is a constitutional monarchy with an elected head of state and prime minister, who are both appointed by parliament. New queen 's father , a former Argentinian minister , will miss investiture .
Queen Beatrix will abdicate Tuesday after 33 years as the Dutch monarch . Willem-Alexander will be first king the Dutch have had in more than 120 years . The 75-year-old monarch announced her abdication in January . New queen 's father , a former Argentinian minister , will miss investiture .