SOCIO-CULTURAL FOUNDATIONS

Subperiod N 2.

From late VIII century until early XI century

Subperiod N 3.

From early XI century until early - mid XIII century

Subperiod N 4.

From early - mid XIII century until 1471

Subperiod N 5.

From 1471 until late XVII century

Subperiod N 6.

From late XVII century until early XIX century

Subperiod N 7.

From early XIX century until early XX century

Stage 8-1.

From early XX century until 1920

Stage 8-2.

From 1920 until 1939

Stage 8-3.

From 1939 until 1945

Stage 8-4.

From 1945 until 1991

Subperiod N 9.

From late XX century and for some future

Latvian - Estonian region

Stage 1-1.

As from ancient times up until early VIII century AD