Era
Revolution, 1775-1783
88
Revolution
45
Civil War, 1861-1865
43
Colonial period, ca. 1600-1775
34
19th century
20
20th century
16
Revolution, 1917-1921
13
1917-1921
12
War of 1812
11
Civil War
9
1775-1783
8
18th century
7
1861-1865
6
To 987
6
1600-1775
5
1756-1836
5
20e siècle
5
Revolution, 1789-1799
5
To 1648
5
1648-1654
4
1648-1668
4
1848
4
1900-1999
4
John II Casimir, 1648-1668
4
ca 1600-1775 (Période coloniale)
4
1700-1799
3
1732-1799
3
1741-1801
3
1751-1780
3
1800-1859
3
1812-1815
3
1815-1861
3
18e siècle
3
1917-1921 (Révolution)
3
1933-1945
3
Civil War, 1936-1939
3
Constitutional period, 1789-1809
3
French and Indian War, 1755-1763
3
Revolution, 1835-1836
3
To 1863
3
-1467?
2
1259-1319
2
1453
2
1523-1718
2
1587-1632
2
1600-1814
2
1610-1643
2
1642 - 1649
2
1644-1912
2
1644-1912 (Dynastie mandchoue)
2
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