Era
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1908-1993
1
1910-1997
1
1911-1969
1
1911-2011
1
1918-
1
1925-
1
1927-
1
1931
1
1931-2015
1
1937-
1
1939
1
1939-1987
1
1941-
1
1946-
1
1948-
1
1948-1960
1
1957-
1
1961-
1
1962-
1
1965-
1
1965-1947
1
1970
1
1973
1
1978-
1
1986-
1
1988-
1
19th Century
1
19th century --
1
20th Century
1
21 century
1
29th century --
1
603-1625
1
622-661
1
661-750
1
681-720
1
731-
1
767 or 768-820
1
994-1064
1
Civil war, 2011-
1
Early works to 1800 --
1
Primitive and early church, ca. 30-60s
1
Seminar
1
To 332 B.C
1
d. 644
1
d.632
1