Era
20th century
20e siècle
13
1900-1999
10
1800-1999
2
19e siècle
2
19th century
2
1858-1942
1
1880-1968
1
1884-1972
1
1887-1948
1
1901-1978
1
1908-1973
1
1919-1992
1
1925-
1
1925-1996
1
1933-1945
1
1945-
1
1945-1960
1
1945-1970
1
1945-1989
1
19th Century
1
20th Century
1
Geschichte 19. Jh
1
Geschichte 1900-1954
1
Geschichte 1943-1953
1
Geschichte 20. Jh
1
Pittsburgh
1
Since 1900
1