1927
1935
1942
1936-1955
1940
1940-1945
1934
1960
1970
1938
1950-1960
1936
1955-1960
1932
circa 1953
1946
1928
circa 1972
1939
1962
1957
1960-1970
1971
1961
1965-1975
1950
1932-1942
1930-1955
1950-1951
Before 1932
1955-1975
1945
1967
2000-100 BCE
before 1928