Era
20th century
70
1564-1616
45
19th century
22
1900-1999
20
21st century
19
1946-
15
1939-1945
13
Civil War, 1861-1865
13
1933-1945
10
1929
9
1800-1899
7
2020
7
1809-1865
6
1991-2000
6
To 1863
6
1945-
5
1367-1413
4
1387-1422
4
1421-1471
4
17th century
4
1861-1865
4
1915-1985
4
1948-
4
1958-
4
1979-1997
4
1981-1990
4
Colonial period, ca. 1600-1775
4
Wars of the Roses, 1455-1485
4
1732-1799
3
1735-1826
3
1783-1809
3
1820-1906
3
1858-1919
3
1863-1951
3
1874-1965
3
1883-1946
3
1899-1992
3
18th century
3
1904-1987
3
1914-1918
3
1929-1968
3
1938-
3
1943-
3
1945-2010
3
1959-
3
1962-
3
1965-
3
2001-2009
3
Henry IV, 1399-1413
3
Henry VI, 1422-1461
3
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