Era
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1901-1953
2
1903-
2
1903-1950
2
1903-1966
2
1904-1991
2
1905-1907
2
1909-
2
1909-1996
2
1910-1945
2
1912-1989
2
1915-
2
1915-2004
2
1917-1984
2
1919-1933
2
1919-1945
2
1919-1995
2
1931-1994
2
1942-
2
1942-1970
2
1945-1953
2
1945-1976
2
1945-1990
2
1965-
2
1969-1974
2
1974-
2
1981-
2
1981-1993
2
1991-
2
1998-
2
2016
2
2020
2
Alexander II, 1855-1881
2
Early modern and Elizabethan, 1500-1600
2
Revolution of 1688
2
Revolution, 1905-1907
2
Since 1865
2
Since 1945
2
Since 1950
2
Since 1990
2
Since 1993
2
Since 1994
2
Since 2000
2
(1919-1995)
1
-1536
1
-1669
1
1130-1200
1
1478-1535
1
1490?-1546
1
1564-1616
1
1588-1667
1
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