Era
20th century
39
21st century
23
1900-1999
16
2000-2099
10
19th century
6
2001-2009
5
1981-2001
3
1989-
3
1993-2001
3
1856-1934
2
18th century
2
1900-2099
2
1949-
2
1971-1981
2
1981-1989
2
Civil War, 1861-1865
2
1700-1899
1
1743-1798
1
1765-1815
1
1788-1873
1
1800-1899
1
1800-1999
1
1814-1862
1
1856-1943
1
1859-1938
1
1870-1949
1
1899-1981
1
1900 - 1999
1
1902-1974
1
1902-1987
1
1945-
1
1946-
1
1964-
1
1971-
1
1981-1993
1
2000 - 2099
1
2001-
1
2004
1
2008
1
2012
1
2016
1
20thcentury
1
Geschichte 19790-2000
1
Revolution, 1775-1783
1
Since 1989
1
To 1865
1