Era
20th century
12
1900-1999
5
1994-
5
21st century
5
1869-1948
4
1946-
4
1919-1947
3
1880-1940
2
1900 - 1999
2
1900-2099
2
1946-1977
2
1961-1994
2
1989-1994
2
Since 1961
2
Since 1994
2
1724-1804
1
1857 - 1999
1
1857-1919
1
1857-1999
1
1870-1950
1
1898-1979
1
1918-2013
1
1922-
1
1922-2001
1
1927-
1
1928-
1
1929-1992
1
1936-2002
1
1941-1971
1
1944-
1
1946-1993
1
1948-1994
1
1960-
1
1978 - 1989
1
1978-
1
1978-1989
1
2000-2099
1
20e siècle
1
21e siècle
1
21e siècle
1
Precambrian
1
Since 1900
1
Since 1960
1