Era
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1921-2002
2
1921-2021
2
1924-1993
2
1925-1984
2
1927-1987
2
1929-1968
2
1934-
2
1936-
2
1942-
2
1944-
2
1944-1989
2
1945-1955
2
1947-
2
1954-
2
1958-
2
1959-
2
1960-
2
1963-2005
2
1968-1998
2
1973-1993
2
1976-2002
2
1977-
2
1979-
2
1979-1990
2
1997-2007
2
1998-1999
2
2001
2
2001-2011
2
2009-
2
2009-2017
2
324 B.C.-1000 A.D.
2
600-1500
2
Commonwealth and Protectorate, 1649-1660
2
Darfur Conflict, 2003-
2
Early modern, 1500-1700
2
Ferdinand and Isabella, 1479-1516
2
Restoration, 1660-1700
2
Since 1971
2
To 146 B.C.
2
To 1800
2
To 1865
2
To 221 B.C.
2
To 324 B.C.
2
To 500
2
To 997
2
d. 1726
2
(1835-1919)
1
-407
1
-524
1
1288-1918
1
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