Era
20th century
10
Revolution, 1775-1783
5
21st century
4
1929-1968
3
To 1500
3
1735-1826
2
17th century
2
1807-1870
2
1809-1865
2
1890-1969
2
1989-
2
19th century
2
Civil War, 1861-1865
2
1265-1321
1
1599-1658
1
1608-1674
1
1649-1660
1
16th century
1
1737-1809
1
1781-1857
1
1822-1911
1
1828-1895
1
1836-1903
1
1856-1939
1
1872-1940
1
1874-1965
1
1875-1926
1
1881-1955
1
1888-1979
1
18th century
1
1911-2006
1
1921-2016
1
1933-1945
1
1934-2014
1
1945-
1
1945-1989
1
1949-
1
1980-
1
1991-
1
2002-
1
2011-
1
354-430
1
Athenian supremacy, 479-431 B.C.
1
Civil War, 1642-1649
1
Commonwealth and Protectorate, 1649-1660
1
Early church, ca. 30-600
1
Middle Ages, 600-1500
1
Ottoman Empire, 1288-1918
1
Peloponnesian War, 431-404 B.C.
1
Persian Wars, 500 B.C.-449 B.C.
1
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