Era
20th century
587
1945-1989
319
1951-
270
19th century
240
1989-
204
1900-1999
174
1865-1950
158
1815-1861
147
20e siècle
121
1782-1852
111
18th century
109
21st century
107
Civil War, 1861-1865
98
1925-1968
95
1777-1852
94
1945-
93
1775-1865
88
2001-2009
66
1933-1945
63
Since 1945
63
Since 1951
63
1775-1783
62
1800-1899
61
1908-1957
60
1946-
60
1932-2009
55
1943-
54
19e siècle
54
1786-1836
53
1849-1877
53
1947-
53
Revolution, 1775-1783
53
1936-
48
1963-1969
48
1793-1863
47
1861-1865
46
To 1865
46
1782-1850
42
1940-2020
42
1783-1865
41
1736-1799
40
1917-1963
40
1901-1953
36
Since 1900
36
1945-1953
35
1936-2018
34
1811-1874
33
1809-1865
32
1909-1998
32
1940-
32
more ...