Era
20th century
1,109
1900-1999
644
19th century
337
1900 - 1999
283
1800-1899
129
20e siècle
101
1951-
95
21st century
94
1898-1951
81
1939-1945
56
1902-1994
51
1800 - 1899
50
Since 1951
49
1775-1865
41
18th century
40
1947-
37
2000-2099
36
2001
35
20e siècle
34
Civil War, 1861-1865
33
1931-
28
1865-1898
27
1946-
26
1900-2099
24
1945-
24
To 1898
24
1882-1947
23
1961-
23
Colonial period, ca. 1600-1775
23
1937-
22
1949-
22
19e siècle
22
1769-1828
20
1922-
20
1924-
20
1957-
20
1800-1999
19
1898 - 1951
19
1924-2013
19
1952-
19
21e siècle
19
Revolution, 1775-1783
19
1935-
18
1940-
18
1950-
18
1953-
18
1811-1872
17
1865-1918
17
1945-1989
17
1948-
17
more ...