Era
1939-1945
71
1918-1945
47
20th century
23
1900-1999
16
Occupation, 1939-1945
15
1900-1945
13
Wars of 1918-1921
13
Revolution, 1775-1783
12
Revolution, 1830-1832
12
1746-1817
11
Partition period, 1763-1796
11
1648-1668
9
1914-1918
9
John II Casimir, 1648-1668
9
1763-1796
8
1747-1779
7
1860-1941
7
1864-1918
7
1918-1921
7
1945-
7
1945-1980
7
(1860-1941)
6
1763-1796 (Partage)
6
1867-1935
6
1884-1964
6
1918-1921 (Guerres)
6
1775-1783 (Révolution)
5
1629-1696
4
1830-1864
4
1881-1943
4
1917-
4
1939-1945 (Occupation)
4
1945-1981
4
20e siècle
4
John III Sobieski, 1674-1696
4
Since 1917
4
To 1795
4
(1783-1840)
3
(1881-1943)
3
1587-1632
3
1611-1667
3
1674-1696
3
1775-1783
3
1793
3
1795-1864
3
1795-1918
3
1796-1918
3
1796-1945
3
1830-1832
3
1830-1832 (Révolution)
3
more ...