Era
20th century
20
1864-1920
15
1945-
10
1818-1883
6
1858-1917
6
1980-
5
1902-
4
21st century
4
19th century
3
1332-1406
2
1820-1903
2
1848-1923
2
1856-1939
2
1902-1979
2
1960-1980
2
1770-1831
1
1798-1857
1
17th century
1
1843-1904
1
1857-1929
1
1858-1918
1
1863-1931
1
1874-1945
1
1883-1950
1
1889-1976
1
1891-
1
1895-1973
1
1900-1999
1
1903-1969
1
1908-1979
1
1910-
1
1916-
1
1926-1984
1
1930-2002
1
1945-1964
1
1950-
1
1960-
1
1965
1
1965-
1
1979-
1
1980-1993
1
1983-
1
1989-
1
20e siècle
1
Geschichte
1
History
1
Periodicals
1
Since 1945
1
Since 1960
1
Since 1983
1
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