Norway had been brought along into the new developments of the world as they arrived in Denmark. However, with the break the Norwegians were able to forge a more progressive political development than was the case in Denmark. Denmark introduced a constitutional monarchy 35 years after Norway. Parliamentarism was introduced in 1884 in Norway, 17 years before Denmark and 33 years before Sweden. The union with Denmark also had its adverse effects on the monarchy, among other things it resulted in the crown of Norway experiencing a loss of territory which today amounts to 2,322 755 km2. However, Norway's territorial size has been more than restored due to Norwegian expansionism in the early 20th century, which led to the annexation of Queen Maud Land (1939) in Antarctica, an area comprising roughly . Very few royal undertakings had been located to Norway and the country is thus lacking the monumental palaces of the period as can be seen in Copenhagen and other parts of Denmark.