08/17/1965
https://www.presidency.ucsb.edu...
"Further, I call upon this Nation to rededicate itself to the ideals of the inter-American system, as embodied in the Charter of the Organization of the American States, and to the goals of economic an..."
"On this anniversary, the United States strongly reaffirms its own continuing commitment to the common task of building a Western Hemisphere of economic abundance and political freedom in which every i..."
"I, Lyndon B. Johnson, President of the United States of America, do hereby proclaim Thursday, April 14, 1966, as Pan American Day, and the week beginning April 10 and ending April 16 as Pan American W..."
"I call upon my fellow countrymen to renew their commitment to our neighbors in this hemisphere, and to reaffirm that commitment by support for the Organization of American States."