06/16/1977
https://www.presidency.ucsb.edu...
"I urge Federal, State and local officials, as well as leaders of civic, educational and religious organizations to conduct related ceremonies and programs on that day."
"I call upon appropriate Government officials to display the flag of the United States on all Government buildings on Citizenship Day, September 17, 1977."
"I also designate as Constitution Week the period beginning September 17 and ending September 23, 1977."
"The United States remains categorically committed to NATO's strategy of forward defense and flexible response."