Era
20th century
292
1900-1999
117
19th century
112
21st century
71
1900 - 1999
36
2000-2099
30
1800-1899
22
1898-1936
17
1916
14
Colonial period, ca. 1600-1775
12
2001
11
1801-1850
10
1961-1970
9
1978
9
1980
9
20e siècle
9
Civil War, 1861-1865
9
1815
8
1816
8
1900-2099
7
1901
7
1977
7
1979
7
1998
7
Revolution, 1775-1783
7
1732-1799
6
1783-1850
6
1806
6
1809-1865
6
1818
6
1851-1875
6
18th century
6
1921-1930
6
1931-1940
6
1975
6
1997
6
2002
6
1775-1783
5
1786
5
1812
5
1814
5
1902
5
1928
5
1931
5
1971-1980
5
1973
5
1976
5
1990
5
2010
5
War of 1812
5
more ...