November 21 in history, these intelligence were sent to the US president

情报历史上的11月21日，这些情报被递交给时任美国总统

Intelligence History on 1961 November 21
Intelligence History on 1962 November 21
Intelligence History on 1963 November 21
Intelligence History on 1964 November 21
Intelligence History on 1966 November 21
Intelligence History on 1967 November 21
Intelligence History on 1968 November 21
Intelligence History on 1969 November 21
Intelligence History on 1970 November 21
Intelligence History on 1972 November 21
Intelligence History on 1973 November 21
Intelligence History on 1974 November 21
Intelligence History on 1975 November 21