Era
20th century --
17
1945-
11
20th century
11
1989-
10
21st century
6
21st century --
6
1939-1945
4
1945
3
19th century
3
To 1868
3
1600-1868
2
1926-1945
2
6th cent.B.C.
2
to 1868
2
1185-1868
1
157-
1
1868
1
1868- --
1
1871-1946
1
1890 or 1-1945
1
1896-1975
1
18th century
1
1900-1986
1
1901-
1
1901-89
1
1906-
1
1910-
1
1913-
1
1921-
1
1925-2013
1
1934-
1
1935-
1
1939-1945 --
1
1941
1
1942-1969
1
1945- --
1
1945-1989
1
1949
1
1954-
1
1960-
1
1963-
1
1966-
1
1970-
1
1986
1
1988-
1
1989
1
19th century --
1
2011- --
1
20th Century --
1
21 st century --
1
more ...