Era
Colonial period, ca. 1600-1775
5
Civil War, 1861-1865
4
Revolution, 1775-1783
3
1732-1799
2
17th century
2
1944-1989 (Polska Ludowa)
2
1945-
2
Geschichte
2
Period of discoveries, 1385-1580
2
1394-1
1
1489-1561
1
1600-1699
1
1743-1826
1
1789-1815
1
1809-1817
1
1816
1
1828-1835
1
1914-9999
1
1918-1945
1
1973-
1
1976-2009
1
1979-
1
19th century
1
Constitutional period, 1789-1809
1
Period
1
Period of discoveries, 1385-1
1