Era
20th century
39
19th century
17
21st century
9
1908-1993
6
1979-
6
1782-1862
4
18th century
4
1933-1945
4
Quaternary
4
1796-1872
3
17th century
3
1864?-1943
3
1949-
3
1954-
3
1979-1990
3
2001-
3
2001-2009
3
To 1500
3
1814-1862
2
1822-1903
2
1865-1946
2
1869-1954
2
1924-
2
1929
2
1934-2013
2
1945-
2
1945-1989
2
1953-1961
2
1977-1981
2
1981-2001
2
1985-1991
2
1991-2003
2
2017-
2
Holocene
2
Paleocene
2
16th century
1
1710-1782
1
1732-1809
1
1734-1797
1
1738-1820
1
1743-1826
1
1750-1831
1
1774-1845
1
1775-1865
1
1785-1851
1
1785-1873
1
1789-1797
1
1790 or 1791-
1
1791-1868
1
1799-1873
1
more ...