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

情报历史上的5月6日，这些情报被递交给时任美国总统

Intelligence History on 1963 May 6
Intelligence History on 1964 May 6
Intelligence History on 1965 May 6
Intelligence History on 1966 May 6
Intelligence History on 1967 May 6
Intelligence History on 1968 May 6
Intelligence History on 1969 May 6
Intelligence History on 1970 May 6
Intelligence History on 1971 May 6
Intelligence History on 1972 May 6
Intelligence History on 1974 May 6
Intelligence History on 1975 May 6
Intelligence History on 1976 May 6