Era
20th century
41
1991-2000
38
2001-2010
32
19th century
17
1981-1990
11
1951-1960
9
21st century
9
1961-1970
7
1908-1993
6
1931-1940
6
1941-1950
6
1979-
6
18th century
5
1971-1980
5
1782-1862
4
1864?-1943
4
1933-1945
4
2001-2009
4
Quaternary
4
1796-1872
3
17th century
3
1822-1903
3
1865-1946
3
1945-
3
1949-
3
1954-
3
1979-1990
3
2001-
3
Holocene
3
To 1500
3
1220-1263
2
1759-1805
2
1809-1865
2
1814-1862
2
1869-1954
2
1921-1930
2
1924-
2
1929
2
1934-2013
2
1945-1989
2
1953-1961
2
1977-1981
2
1981-2001
2
1985-1991
2
1991-2003
2
2017-
2
Paleocene
2
To 1931
2
-1400
1
-453
1
more ...