Era
1918-1945
27
20th century
18
1939-1945
17
Occupation, 1939-1945
17
1900-1999
13
Partition period, 1763-1796
13
Wars of 1918-1921
13
Revolution, 1775-1783
12
Revolution, 1830-1832
12
1763-1796
10
1648-1668
9
1945-
9
John II Casimir, 1648-1668
9
1864-1918
7
1900-1945
7
1918-1921
7
1747-1779
6
1763-1796 (Partage)
6
1867-1935
6
1918-1921 (Guerres)
6
1945-1980
6
1746-1817
5
1775-1783 (Révolution)
5
1830-1864
4
1939-1945 (Occupation)
4
John III Sobieski, 1674-1696
4
To 1795
4
(1783-1840)
3
(1860-1941)
3
1587-1632
3
1611-1667
3
1674-1696
3
1775-1783
3
1793
3
1795-1864
3
1795-1918
3
1830-1832
3
1830-1832 (Révolution)
3
1860-1941
3
1895-1992
3
18th century
3
19 w
3
1914-1918
3
1917-
3
1944-1989 (Polska Ludowa)
3
1945-1989
3
20e siècle
3
Geschichte 1772-1972
3
Second partition, 1793
3
Sigismund III, 1587-1632
3
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