Era
21st century
71
20th century
34
2009-
25
2000-
13
2001-2009
11
1989-
9
19th century
6
1945-
5
1990-
3
16th century
2
18th century
2
1945-1989
2
1948-
2
1976-
2
1991-
2
1993-2001
2
2002-
2
2003-
2
Early modern, 1500-1700
2
Quaternary
2
1547-1616
1
1600-1750
1
1642-1693
1
1661?-1731
1
1723-1790
1
1791-1868
1
17th century
1
1818-1883
1
1883-1946
1
1898-1964
1
1901-1978
1
1901-1978,
1
1908-2006
1
1932-2012
1
1933-1945
1
1936-
1
1937-
1
1939-
1
1944-
1
1945-1955
1
1951-
1
1951-1960
1
1956-
1
1961-1970
1
1969-
1
1971-1980
1
1974-
1
1975-
1
1981-2001
1
1985-
1
more ...