Era
20th century
45
1945-
28
1990-
22
21st century
20
1971-1990
13
1899-1992
10
1918-1945
10
1750-1918
8
19th century
6
To 500
6
1600-1750
5
1723-1790
5
18th century
4
1918-
4
1929
3
16th century
2
17th century
2
1883-1950
2
1971-1981
2
1989-
2
1991-
2
Medieval, 500-1500
2
1500-
1
1632-1694
1
1806-1873
1
1818-1883
1
1835-1917
1
1838-1917
1
1839-1897
1
1881-1973
1
1883-1946
1
1886-1964
1
1887-1975
1
1896-1988
1
1904-1989
1
1905-1989
1
1907-1995
1
1908-2001
1
1908-2006
1
1911-1991
1
1912-2006
1
1918-1989
1
1918-2015
1
1945-1971
1
1945-1989
1
1949-
1
1950-
1
1974-2009
1
1976-2000
1
1976-2002
1
more ...