Era
20th century
149
19th century
103
1900-1999
78
21st century
49
1800-1899
36
20e siècle
32
1900-1910
26
19e siècle
23
1900 - 1999
22
2000-2099
21
18th century
19
1910-1920
16
21e siècle
16
Civil War, 1861-1865
13
1800-1999
11
1799-1837
10
17th century
10
1890-1900
10
1900-2099
10
1800 - 1899
8
20e siècle
8
1790-1800
7
1861-1865
7
1868-1952
7
1953-
7
Revolution, 1910-1920
7
16th century
6
1769-1821
6
1801-1917
6
1946-
6
1672-1725
5
1800-1900
5
1889-1945
5
1933-1945
5
1956-
5
1957-
5
1964-
5
1966-
5
1500-1599
4
1600-1699
4
17e siècle
4
1836-1902
4
1887-1986
4
1904-1980
4
1918-1933
4
1939-1945
4
1941-
4
1945-
4
1959-
4
1985-
4
more ...