Historical Period
20th century
179
19th century
88
1809-1865
63
18th century
53
1861-1865
40
21st century
36
17th century
26
1946-
26
Civil War, 1861-1865
23
1981-1989
22
1775-1783
21
1991-
21
1783-1809
20
1952-
20
2001-2009
18
1743-1826
17
1919-1947
16
1989-
16
1783-1865
15
1868-1963
15
1869-1948
15
1933-1945
14
1945-1989
14
1969-1974
13
2009-2017
12
1751-1836
11
1913-1994
11
1953-1985
11
1660-1688
10
1815-1861
10
1882-1945
9
1945-1953
9
To 1865
9
1857-1861
8
1858-1919
8
1953-1961
8
1963-1969
8
2017-2021
8
To 1500
8
1631-1700
7
1735-1826
7
1757-1804
7
1884-1972
7
1918-1933
7
1945-
7
1985-1991
7
1993-
7
2009-
7
265-30 B.C.
7
Early modern, 1500-1700
7
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