Era
20th century
12
21st century
8
19th century
6
2009-
5
1900-1999
4
1945-
4
2001-2009
4
1775-1865
2
1800-1999
2
1900-2099
2
1960-
2
1976-2000
2
1981-1993
2
1989-
2
2000-
2
2000-2099
2
2008-2009
2
Since 1945
2
1288-1918
1
1646-1722
1
1700-1799
1
1775-1899
1
1800-1899
1
1890-1965
1
18th century
1
1918-1945
1
1939-1945
1
1947-2011
1
1951-
1
1965-1979
1
1975-
1
1981-
1
1981-2001
1
1991-
1
1993-2001
1
Civil War, 1861-1865
1
Constitutional period, 1789-1809
1
Geschichte 1970-1992
1
Geschichte 600-1300
1
Ottoman Empire, 1288-1918
1
Since 1918
1
Since 1960
1
Since 1975
1
Since 1976
1
Since 1989
1
To 500
1
Unification, 1990
1