Era
20th century
19th century
11
Siglo 20
11
1939-1975
6
Siglo XX
6
SXX
4
21st century
3
1898-1986
2
S XX
2
1851-1934
1
1882-1948
1
1889-1976
1
1895-1975
1
1895-1979
1
1898-1974
1
1900-1999
1
1918-1975
1
1921-1997
1
1945-
1
1974-
1
20e siècle
1
21th century
1
Civil War, 1936-1939
1
Dirty War, 1976-1983
1
Siglo 19
1