Era
20th century
207
1900-1999
85
19th century
43
21st century
34
18th century
32
Since 1900
16
1945-1989
12
2000-2099
12
1945-
11
1970-
11
1980-
11
1989-
11
17th century
10
Revolution, 1789-1799
9
16th century
8
1700-1799
7
1933-1945
7
To 1500
7
1800-1899
6
1800-1999
5
1946-
5
1960-1980
5
1603-1714
4
1859-1952
4
1883-1954
4
1900 - 1999
4
1930-1945
4
Victoria, 1837-1901
4
1492-1648
3
1775-1783
3
1789-
3
1789-1815
3
1800-1901
3
1844-1900
3
1889-1976
3
1917-1970
3
1931-1940
3
1945-1992
3
1946-1970
3
1949-
3
1958-
3
1968-1989
3
1970-1988
3
1976-2000
3
1980-2020
3
1981-2001
3
1991-
3
1993-
3
Civil War, 1861-1865
3
Since 1980
3
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