Norway and Iceland enter a union with the Danish crown.
The Norwegian parliament proclaims independence from Sweden.
Norway joins the North Atlantic Treaty Organization (NATO).
Norway becomes a founding member of the European Free Trade Association (EFTA).
Oil and gas deposits are discovered in the Norwegian sector of the North Sea. Exploitation of these resources throughout the 1970's leads to oil and gas exports comprising nearly one-third of the nation's annual export earnings.
Norwegian voters reject membership into the European Economic Commission by a 6% margin.
Norway signs a free trade agreement with the European Economic Commission.
Norwegians reject membership of the European Union in a referendum by a narrow margin of 5%.