Era
20th century
9
To 146 B.C.
7
1869-1948
3
21st century
3
To 332 B.C.
3
1929-1968
2
1955-
2
1957-
2
19th century
2
332-30 B.C
2
To 146 B.C
2
To 640 A.D.
2
to 332 B. C.
2
1162-1227
1
1254-1323
1
1452-1519
1
1564-1616
1
1606
1
1625 --
1
1658-1730
1
1775-1783
1
1783-1789
1
1835-1949
1
1853- 1890
1
1865
1
1879-1955
1
1880-1968
1
1884-1962
1
1913
1
1918
1
1918-2013
1
1922-
1
1923
1
1927-2006
1
1929 --
1
1930-
1
1933-1945
1
1934-1972
1
1938
1
1939-1945 --
1
1940-
1
1946
1
1946-
1
1948-
1
1951
1
1955
1
1955-2011
1
1959
1
1964-
1
1968-
1
more ...