Era
2003-
30
21st century
20
2003-2011
18
20th century
10
1937-2006
7
1946-
7
2001-
7
2001-2009
7
1991-2003
4
1948-2003
3
1966-2006
3
1991-
3
Siglo XXI
3
Since 2003
3
-680
2
1900 - 1999
2
1914-1918
2
1944-2015
2
1958-
2
2000-2099
2
2003 - 2011
2
Civil War, 2011-
2
Revolution, 1979
2
Since 2000
2
To 634
2
active 885 B.C.-860 B.C
2
-2003
1
1868-1926
1
1900 - 2009
1
1900-2011
1
1908-1986
1
1910-1976
1
1930-
1
1930-2019
1
1932-
1
1932-2019
1
1934-
1
1936-
1
1955-
1
1960-
1
1967-
1
1974-
1
1974-2013
1
1977-
1
1979-1991
1
1979-1997
1
1979-2011
1
1989-2001
1
1991
1
1993-
1
more ...