Era
19th century
4
20th century
3
1945-2014
2
To 1800
2
1700-1899
1
1700-talet
1
1800-1899
1
1800-1999
1
1800-talet
1
1817-1863
1
1825-1906
1
1850-1882
1
1851-1922
1
1857-1900
1
1883-1957
1
18th century
1
1900-1999
1
1906-1993
1
1908-1996
1
1916-1980
1
1998
1
Cambrian
1
From 230 to 570 million years ago
1
From 425 to 570 million years ago
1
Ordovician
1
Paleozoic
1
To 1848
1
Vor- und Frühgeschichte
1
to 1848
1