Era
20th century
2,020
19th century
805
1900-1999
521
21st century
286
1800-1899
142
18th century
120
2000-2099
90
1900-2099
87
1800-1999
66
1843-1916
52
1897-1962
50
1804-1864
35
Civil War, 1861-1865
32
1819-1891
30
1900 - 1999
29
1899-1961
27
20e siècle
26
1882-1941
22
1811-1896
21
1862-1937
21
1835-1910
19
1789-1851
18
1896-1940
18
1948-
18
1837-1920
17
1700-1899
16
1944-
14
1850-1904
12
1865-
12
Revolution, 1775-1783
12
1809-1882
11
1908-1960
11
1951-
11
1564-1616
10
1873-1947
10
1771-1810
9
1775-1865
9
1900 - 2099
9
1950-
9
1957-
9
Colonial period, ca. 1600-1775
9
1809-1849
8
1909-2001
8
1924-1987
8
1933-
8
1800 - 1899
7
1870-1902
7
1871-1945
7
1929-
7
1930-
7
more ...