Era
20th century
433
19th century
178
1900-1999
99
20e siècle
87
21st century
44
1809-1865
39
1800-1899
35
19e siècle
35
18th century
33
1868-1918
31
Civil War, 1861-1865
25
1858-1919
21
1743-1826
20
1818-1882
20
16th century
19
17th century
19
1917-1963
19
Nicholas II, 1894-1917
19
1945-
18
1946-
18
1951-
17
1769-1821
15
1960-
14
1775-1817
13
1940-
13
1943-
13
1947-
13
1888-1969
12
1964-
12
1969-
12
1882-1945
11
1788-1824
10
1830-1886
10
1884-1962
10
1889-1945
10
1949-
10
1952-
10
1958-
10
1959-
10
1980-
10
Early modern, 1500-1700
10
1799-1837
9
1882-1941
9
1897-1962
9
1954-
9
1957-
9
1491-1547
8
1759-1797
8
1797-1851
8
1819-1901
8
more ...