Era
20th century
38
1945-
27
21st century
17
1818-1883
10
1989-
8
1971-
7
1864-1920
6
1883-1950
6
1990-
6
19th century
6
1980-
5
1991-
5
1945-1989
3
1976-2000
3
1981-
3
2000-
3
18th century
2
1981-2001
2
1997-
2
2007-
2
To 1865
2
1750-1918
1
1766-1834
1
17th century
1
1815-1861
1
1854-1938
1
1858-1917
1
1863-1941
1
1865-1918
1
1886-1964
1
1891-1937
1
1918-
1
1918-1961
1
1919-
1
1942-
1
1946-
1
1947-
1
1948-1980
1
1952-
1
1957-
1
1958-
1
1959-
1
1960-
1
1961-
1
1970-
1
1976-
1
1976-2002
1
2001-
1
2001-2009
1
2002-
1
more ...