Era
1960-
60
20th century
27
19th century
8
1945-1960
5
1945-1989
5
21st century
5
1884-1960
4
To 1884
4
1884-1918
3
1857-1924
2
1945-1953
2
1304-1377
1
1759-1817
1
1821-1881
1
1833-1885
1
1836-1909
1
1837-1901
1
1838-1914
1
1866-1955
1
1884-1937
1
1884-1972
1
1890-1969
1
1899-1961
1
18th century
1
1901-
1
1909-1972
1
1913-1996
1
1919-2013
1
1924-
1
1938-
1
1945-1962
1
1957-1979
1
1959-1990
1
1960
1
1966-
1
1977-1981
1
1978-2002
1
1988
1
1989-
1
1990-
1
1991-
1
1993-2001
1
British occupation, 1882-1936
1
Mesozoic
1
Tertiary
1
To 1498
1
To 1863
1