Era
20th century
734
1900-1999
343
21st century
314
19th century
239
1900 - 1999
178
1945-1989
157
2000-2099
152
1989-
134
1946-
108
Civil War, 1861-1865
108
1800-1899
99
1945-
96
2001-2009
84
Since 1945
77
20e siècle
62
1809-1865
57
1861-1865
54
1960-1980
51
1800 - 1899
48
20e siècle
45
1951-
43
21e siècle
41
1960-
39
1917-1963
38
Since 1900
37
1800-1999
36
2001-
36
1993-2001
35
1980-
33
2000 - 2099
33
1882-1945
32
18th century
32
Since 1989
32
1980-2020
30
1783-1865
29
1861 - 1865
28
1989-1993
28
1900-2099
27
1908-1973
27
2009-
26
1933-1945
25
1939-1945
25
1948-
25
2001 - 2009
25
1953-1961
24
Revolution, 1775-1783
24
1890-1969
23
1858-1919
22
1964-
22
1943-
21
more ...