Ära
20th century
20
1985-
10
1985-2002
7
1945-
6
Since 1985
6
2003-
5
21st century
4
1928-
3
Siglo XX
3
1883-1954
2
1889-1930
2
1895-1974
2
1921-1997
2
1930-1945
2
1943-1955
2
1945-1989
2
1955-1965
2
1965-1975
2
19th century
2
2003
2
1920-1970
1
1920-1977
1
1928
1
1928-2020
1
1945-1954
1
1947-
1
1954-1964
1
1959-
1
1964-1985
1
1982-
1
1988-2000
1
2002-
1
S XX
1
Siglo 20
1
Siglo 21
1
Siglo XIX
1
Since 1945
1
Since 1964
1
Since 1982
1