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

情报历史上的1月21日，这些情报被递交给时任美国总统

Intelligence History on 1963 January 21
Intelligence History on 1964 January 21
Intelligence History on 1965 January 21
Intelligence History on 1966 January 21
Intelligence History on 1967 January 21
Intelligence History on 1970 January 21
Intelligence History on 1971 January 21
Intelligence History on 1972 January 21
Intelligence History on 1974 January 21
Intelligence History on 1976 January 21