12/11/1991
https://www.presidency.ucsb.edu...
"I direct government officials to display the flag of the United States on all Federal Government buildings."
"I do hereby proclaim June 14, 1990, as Flag Day, and the week beginning June 10, 1990, as National Flag Week."
"I urge all Americans to display the flag at their homes and other suitable places on that day."
"I urge all Americans to observe Flag Day, June 14, and Flag Week, by flying the Stars and Stripes from their homes and other suitable places."