Era
20th century
191
21st century
183
1989-
81
1945-
39
19th century
37
1990-
18
2001-
17
1945-1989
14
18th century
13
2000-
11
1960-
9
1980-
9
2002-
8
1933-1945
7
2001-2009
7
1971-
6
1982-
5
1997-
5
2009-
5
1918-1945
4
1946-
4
1949-
4
1950-
4
1970-
4
1976-
4
1995-2005
4
Holocene
4
16th century
3
17th century
3
1893-1976
3
1919-1947
3
1976-2000
3
1976-2002
3
1988-
3
1991-
3
1993-
3
1994-
3
2008-2009
3
1750-1918
2
1868?-1940
2
1891-1961
2
1926-1984
2
1930-1961
2
1945-1991
2
1947-
2
1951-1979
2
1959-
2
1965-1975
2
1971-1990
2
1979-
2
more ...