Historical Period
21st century
27
To 1500
13
20th century
8
2000-
7
Quaternary
6
19th century
5
17th century
4
2001-2009
4
Cenozoic
4
Holocene
4
1965-
3
1989-
3
2002-
3
476-1492
3
Anthropocene
3
To 1492
3
1851-1928
2
1889-1976
2
1945-1989
2
1951-
2
1967-
2
1969-
2
2003-
2
Carboniferous
2
Paleozoic
2
Pleistocene
2
1648-1714
1
1800-1989
1
1813-1855
1
1817-1862
1
1838-1914
1
1862-1927
1
1876-1962
1
1886-1948
1
18th century
1
1902-1968
1
1914-2009
1
1927-
1
1930-
1
1934-
1
1944-1988
1
1945-
1
1950-
1
1952-
1
1955-
1
1958-
1
1962-
1
1970-
1
1973-
1
1980-
1
more ...