For 10 points, name this Scandinavian country whose capital's name was changed from Christiana to Oslo.
After serving as prime minister of this nation, Gro Harlem Brundtland became the director-general of the WHO, and liberal Prime Minister Johan Sverdrup attempted to place more power in the Storting in this country in the nineteenth century. The government of this nation oversaw secret negotiations between Israel and the PLO in 1993, and its Nasjonal Samling party was led by Vidkun Quisling. For 10 points, name this Scandinavian country whose capital's name was changed from Christiana to Oslo.
After serving as prime minister of this nation, Gro Harlem Brundtland became the director-general of the WHO, and liberal Prime Minister Johan Sverdrup attempted to place more power in the Storting in this country in the nineteenth century.
{Norway}