April 7 in history, these intelligence were sent to the US president

情报历史上的4月7日，这些情报被递交给时任美国总统

Intelligence History on 1962 April 7
Intelligence History on 1964 April 7
Intelligence History on 1965 April 7
Intelligence History on 1966 April 7
Intelligence History on 1967 April 7
Intelligence History on 1970 April 7
Intelligence History on 1971 April 7
Intelligence History on 1972 April 7
Intelligence History on 1973 April 7
Intelligence History on 1975 April 7
Intelligence History on 1976 April 7