1957
1955
1954
circa 1950
1948
1950-1959
1951
circa 1955
2000-100 BCE
1950-1951
circa 1953
1950
1950-1953
1950-1952
1948-1953
1954-1955
1953
1953-1958
May 1953
1958
1959
1949
1955; 1830