Era
20th century
547
1900-1999
278
20e siècle
205
19th century
177
1800-1899
65
1564-1616
64
21st century
63
19e siècle
54
20e siècle
41
Roman period, 55 B.C.-449 A.D.
37
2000-2099
33
Civil War, 1861-1865
26
1882-1941
22
1812-1889
18
1806-1861
17
1880-1969
14
1939-1945
14
1912-1972
13
21e siècle
13
1862-1937
12
1896-1940
12
1945-
12
1946-
12
1816-1855
11
18th century
11
1735-1826
10
1744-1818
10
1861-1865
10
1900-1948
10
1945-1970
10
17th century
9
55 B.C.-449 A.D.
9
1731-1802
8
1732-1799
8
1795-1881
8
1801-1866
8
1809-1865
7
1861-1865 (Guerre de Sécession)
7
1912-1949
7
1925-2015
7
1930-1998
7
1957-
7
1971-
7
21e siècle
7
1811-1874
6
1819-1880
6
1885-1930
6
1900 - 1999
6
Revolution, 1775-1783
6
16th century
5
more ...