SOCIO-CULTURAL FOUNDATIONS

Stage 1-2.

From early IX century until early XIII century

Stage 2-1.

From early XIII century until late XVI century

Stage 2-2.

From late XVI century until late XVII century

Stage 2-3.

From late XVII century until 1721

Subperiod N 3.

From 1721 until early XIX century

Subperiod N 4.

From early XIX century until 1917

Stage 5-1.

From 1917 until 1920

Stage 5-2.

From 1920 until 1939

Stage 5-3.

From 1939 until 1945

Stage 5-4.

From 1945 until 1991

Subperiod N 6.

From 1991 and for some future

Norwegian - Swedish - Danish region

Subperiod N 1.

As from ancient times up until late VIII century AD