
Technical script for 'Our World' television broadcast
1967
1967
1964
1968
1962
1962
1962
1968
1964
1965
1963
1965
1964
1964
circa 1964
1962
1963
1965
1964
1968
1968
1963
1962
1963
1968
1968
1964
1963
1962
1964
1962
1968
1964
1964
1963
1962
1963
1964
1964
1963
1968
1962
1968
1965-1968
1962-1967
1963
(1962); 1982
1967
2000-100 BCE
1968
1963