| 22 Nov 1918 |
the establishment of supreme representative authority of the Republic of Poland is approved by a decree issued by the Head of State on 22 Nov 1918 (Poland Law Journal, No. 17, 29 Nov 1918, pp. 103-104) [1] |
| 22 Nov 1918 - 1 Jun 1921 |
Republika Polska : Państwo Polskie : Rzeczpospolita Polska | Republic of Poland [2] |
| 1 Jun 1921 |
the Constitution of the Republic of Poland (Konstytucja Rzeczypospolitej Polskiej) is adopted by the Legislative Sejm (Sejm Ustawodawczy) on 17 Mar 1921 and came into operation upon promulgation on 1 Jun 1921 (Poland Law Journal, No. 44, 1 Jun 1921, pp. 633-658) [3] |
| 1 Jun 1921 - 28 Sep 1939 |
Rzeczpospolita Polska | Republic of Poland |
| 28 Sep 1939 |
the government of the Republic of Poland collapsed after the occupation of the capital (Warsaw) by the armed forces of Germany |
| 1 Nov 1939 |
the territories of Poland which had not been included in the General Governorate are incorporated into Germany in accordance with a decree of the Führer and Reich Chancellor of 8 Oct 1939 (effective on 1 Nov 1939) (Reichsgesetzblatt I, No. 204, 18 Oct 1939, pp. 2042-2043) [4] |
| 1 Nov 1939 |
the territory of Poland legally defined as Western Ukraine (Zapadnaja Ukraina) is incorporated into the Soviet Union in accordance with a law passed by the Supreme Council (Verhovnyj Sovet) of the Soviet Union on 1 Nov 1939 (USSR Supreme Council Records, No. 36, 28 Nov 1939, p. 1) |
| 2 Nov 1939 |
the territory of Poland legally defined as Western Belorussia (Zapadnaja Belorussija) is incorporated into the Soviet Union in accordance with a law passed by the Supreme Council (Verhovnyj Sovet) of the Soviet Union on 2 Nov 1939 (USSR Supreme Council Records, No. 36, 28 Nov 1939, p. 1) |
