Historical Period
20th century
567
19th century
148
21st century
89
1975-
40
18th century
28
1941-1955
28
1933-1945
20
1877-1964
18
1945-1989
18
Civil War, 1861-1865
18
2001-2009
16
1980-2020
13
1900-1999
11
1945-
11
To 1964
11
1929-1968
9
1946-
9
1989-
9
1861-1865
8
1865-1918
8
1993-
8
Revolution, 1775-1783
8
1863-1877
7
1980-
7
Colonial period, ca. 1600-1775
7
To 1500
7
1783-1865
6
1809-1865
6
1889-1945
6
1951-
6
1981-2001
6
1818-1895
5
1844-1900
5
1865-1950
5
1928-
5
1993-2001
5
1862-1931
4
1865-1877
4
1865-1898
4
1868-1963
4
1898-1976
4
1918-1932
4
1918-1933
4
1921 September 27-
4
1927-
4
1944-
4
1973-2020
4
2008
4
Siglo XX
4
1789-1900
3
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