Richard Nixon actually said...
Now, Therefore, I, Richard Nixon, President of the United States of America, do hereby proclaim the month of April, 1973, as Cancer Control Month, and I invite the Governors of the States and the Commonwealth of Puerto Rico, and the appropriate officials of all other areas under the United States flag to issue similar proclamations.
Context
Proclamation 4204—Cancer Control Month, 1973
03/27/1973