Era
20th century
13
20e siècle
12
1900-1999
11
19e siècle
7
19th century
7
1800-1899
4
18e siècle
2
18th century
2
1600-1799
1
1700-1899
1
1741 (Conspiration)
1
1800 - 1899
1
1800-1999
1
1838-1905
1
1849-1877
1
1863-1877
1
1877-1881
1
1880-1968
1
1884-1972
1
1919-1992
1
1925-
1
1925-1996
1
1933-1945
1
1939-1945
1
1945-1970
1
1946-
1
1961-
1
2017-2021
1
Colonial period, ca. 1600-1775
1
Conspiracy of 1741
1
Geschichte 1750-1940
1
Geschichte 1790-1860
1
Pittsburgh
1
Século 18
1
ca 1600-1775 (Période coloniale)
1