1960
1950-1960
1950-1959
1955
1955-1960
circa 1953
1946
1957
1938 and 1951
1950
1951
1950-1951
1946-1960
2000-100 BCE
circa 1950
1953
1949
1959
1953-1958
1958
1956
May 1953
circa 1960
1948
1953-1960
1954
1955; 1830
1954-1955
1950-1953
1950-1952