07/15/1981
https://www.presidency.ucsb.edu...
"This country belongs to all of us."
"One of the greatest strengths of our Nation is the rich mixture of people from various cultural backgrounds."
"Today we celebrate this with the proclamation of National Hispanic Heritage Week, 1984."
"In recognition of the many achievements of the Hispanic American Community, I do hereby proclaim the week beginning September 10, 1984, as National Hispanic Heritage Week."