Era
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1900-
1
1900-1999
24
1900-2099
2
1901-1955
1
1906-
1
1907-1990
1
1914-
2
1914-2012
1
1915-1946
1
1917-1991
1
1919-1982
1
1919-2013
1
1924-
2
1924-1945
1
1926-
1
1929
5
1933-1945
1
1939 June 9-
3
1945-
3
1945-1989
1
1968-
1
1974-
1
1980-
3
1981-1990
1
1981-2001
2
1984-
1
1994-
1
19th century
30
2000-2099
1
20th century
55
21st century
7
Civil War, 1861-1865
7
Colonial period, ca. 1600-1775
3
Revolution, 1775-1783
3
Shang dynasty, 1766-1122 B.C.
1
Since 1865
1
Since 1980
1
Since 1984
1
To 1500
1
To 1644
1
To 1775
1
To 1791
1
To 500
2
War of 1689-1691
1
approximately 1844-1895
1
d. 1892
1
d. 1985
1