September 6 in history, these intelligence were sent to the US president

情报历史上的9月6日，这些情报被递交给时任美国总统

Intelligence History on 1961 September 6
Intelligence History on 1962 September 6
Intelligence History on 1963 September 6
Intelligence History on 1965 September 6
Intelligence History on 1966 September 6
Intelligence History on 1967 September 6
Intelligence History on 1968 September 6
Intelligence History on 1969 September 6
Intelligence History on 1970 September 6
Intelligence History on 1971 September 6
Intelligence History on 1972 September 6
Intelligence History on 1973 September 6
Intelligence History on 1974 September 6
Intelligence History on 1975 September 6
Intelligence History on 1976 September 6