Era
1960-
291
1875-1965
205
Since 1960
114
21st century
82
20th century
80
1839-1960
42
1935-2009
42
19th century
36
2000-2099
35
1935-
20
1959-
20
1900-1999
18
1902-1967
17
1879-1957
13
To 1839
13
21e siècle
10
1800-1899
8
1852-1905
8
1835-1903
6
2001-2010
6
20e siècle
6
To 1960
6
1803-1876
5
1848-1920
5
1856-1894
5
1933-
5
1979-
5
2009
5
1800-1999
4
1871-1968
4
1950-
4
1960-1997
4
1981-1990
4
Precambrian
4
Since 1900
4
b. 1871
4
1800-1960
3
1844
3
1886-1956
3
1896-1940
3
1900 - 1999
3
1945-
3
1945-1958
3
1949-
3
1954-
3
1956-
3
1967-
3
2016
3
Cretaceous
3
Since 1950
3
more ...