Historical Period
20th century
54
1991-
12
1989-
11
To 1500
10
1889-1945
7
1818-1883
6
21st century
6
18th century
5
1933-1945
5
1945-
5
1952-
5
1993-
5
19th century
5
1945-1989
4
1976-2002
4
Revolution, 1910-1920
4
1844-1900
3
1910-1946
3
1936-1953
3
1953-1985
3
1965-1975
3
1975-1985
3
1976-2000
3
2002-
3
1712-1778
2
1770-1831
2
1789-1900
2
1878-1953
2
1891-1937
2
1895-1975
2
1901-1981
2
1906-1982
2
1917-1936
2
1918-1960
2
1945-1980
2
1945-1992
2
1946-1974
2
1949-1976
2
1953-1975
2
1957-2011
2
1974-
2
1990-
2
Civil War, 43-31 B.C.
2
Revolution, 1789-1799
2
Revolution, 1917-1921
2
To 1397
2
1030-1397
1
1588-1649
1
1724-1804
1
1754-1836
1
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