Era
20th century
12
1900-1999
4
1875-
3
1948-
3
19th century
3
1920-1992
2
1922-1987
2
1948-1969
2
1951-
2
To 1875
2
1800-1899
1
1868-1924
1
1871-1945
1
1878-1972
1
1899-1947
1
1900 - 1999
1
1902-1976
1
1909-1981
1
1911-2001
1
1914-1994
1
1914-2002
1
1930-1965
1
1944-
1
1963-1969
1
1964-
1
1971-
1
1975-
1
2000-2099
1
21st century
1
Medieval period, 987-1515
1
Since 1875
1
Since 1951
1
To 1899
1