circa 1950
1948
1946
1951
1943
1945
1950
1947
1953
1946-1950
1950-1953
1950-1952
1948-1953
circa 1953
1942
1950-1951
2000-100 BCE
1951-1953
1944-1945
1938 and 1951
May 1953
1941-1950
1946-1948
1949
1955; 1830
1944