Era
20th century
51
17th century
23
1989-
17
1918-1945
16
1980-1989
13
1990-
13
John III Sobieski, 1674-1696
13
18th century
12
1945-1980
10
1945-
9
19th century
9
21st century
9
1629-1696
8
Occupation, 1939-1945
8
Partition period, 1763-1796
6
16th century
5
1796-1918
5
1945-1989
5
Eighteenth century
5
Stanislaus II Augustus, 1764-1795
5
1572-1763
4
1945-1981
4
Augustus II, 1697-1733
4
Sigismund III, 1587-1632
4
To 1500
4
1453-1683
3
1566-1632
3
1595-1648
3
1670-1733
3
1763-1796
3
1795-1864
3
1864-1918
3
1867-1935
3
1900-1999
3
1933-1945
3
1945-1990
3
1980-
3
1993-
3
Civil War, 1861-1865
3
Piast period, 960-1386
3
Revolution, 1830-1832
3
Revolution, 1863-1864
3
Siege, 1683
3
To 1572
3
To 1795
3
1520-1572
2
1795-1830
2
1830-1864
2
1842-1927
2
1922-
2
more ...