SOCIO-CULTURAL FOUNDATIONS

From late X century until 1241

Subperiod 8.

From 1241 until 1380

Subperiod 9.

From 1380 until 1570-s

Subperiod 10.

From 1570-s until 1700

Subperiod 11.

From 1700 until 1772

Subperiod 12.

From 1772 until 1831

Subperiod 13.

From 1832 until 1870

Subperiod 14.

From 1871 until 1917

Subperiod 15.

From 1917 until 1945

Subperiod 16.

From 1945 until late 1980-s

Subperiod 17.

From late 1980-s and for some future

Cycle 5. Subperiods 18 - 19 - 20. Prognosis

Finnish region

Stage 1-1.

As from ancient times up until early IX century