SOCIO-CULTURAL FOUNDATIONS

From 1920 until 1939

Stage 6-2.

From 1939 until 1945

Stage 6-3.

From 1945 until 1991

Stage 7-1.

From 1991 and for some future

Polish region

Subperiod N 1.

As from ancient times up until VIII century AD

Subperiod N 2.

From VIII century until 966

Subperiod N 3.

From 966 until 1241

Subperiod N 4.

From 1241 until 1386

Subperiod N 5.

From 1386 until 1570-s

Subperiod N 6.

From 1570-s until 1667

Subperiod N 7.

From 1667 until 1772

Subperiod N 8.

From 1772 until 1831

Subperiod N 9.