Era
20th century
103
19th century
59
1900-1999
44
20e siècle
37
1859-1952
25
1882-1941
22
19e siècle
20
1800-1899
19
1564-1616
18
1746-1827
18
1945-
18
1592-1670
17
1896-1980
16
1921-1997
15
1712-1778
14
18th century
13
Colonial period, ca. 1600-1775
13
1632-1704
12
1897-1962
11
Since 1945
11
1724-1804
9
1821-1881
9
Civil War, 1861-1865
9
16th century
8
1776-1841
8
1933-1945
8
21st century
8
1533-1592
7
1703-1791
7
1782-1852
7
17th century
7
1812-1870
7
1818-1883
7
1844-1900
7
1856-1939
7
1857-1924
7
-1400
6
1608-1674
6
1757-1827
6
1775-1817
6
1835-1909
6
1905-1980
6
1918-1945
6
1762-1814
5
1763-1825
5
1768-1834
5
1775-1783
5
1792-1822
5
1803-1882
5
1818-1848
5
more ...