Lyndon Johnson actually said...
Now, Therefore, I, Lyndon B. Johnson, President of the United States of America, do hereby designate the week beginning September 6, 1964, as College Students Registration Week, 1964; and I urge that a special effort be made during this week to ensure maximum registration of qualified students.
Context
Proclamation 3614—College Students Registration Week, 1964
09/04/1964