03/15/1978
https://www.presidency.ucsb.edu...
"It is important that all Americans know and understand the true meaning of that record."
"I've been at peaks and I've been in valleys."
"I urge all Americans to take this opportunity to learn about our heritage and to participate fully in our democratic system."
"The history of black Americans is the record of America's battle with itself to establish the principles of justice, freedom and equal opportunity on which it was founded."