September 1 in history, these intelligence were sent to the US president

情报历史上的9月1日，这些情报被递交给时任美国总统

Intelligence History on 1961 September 1
Intelligence History on 1962 September 1
Intelligence History on 1964 September 1
Intelligence History on 1965 September 1
Intelligence History on 1966 September 1
Intelligence History on 1967 September 1
Intelligence History on 1969 September 1
Intelligence History on 1970 September 1
Intelligence History on 1971 September 1
Intelligence History on 1972 September 1
Intelligence History on 1973 September 1
Intelligence History on 1975 September 1
Intelligence History on 1976 September 1