Thanksgiving, as American as apple pie
November 24, 2010 by Hilary Parkinson
Today’s post comes from National Archives Office of Strategy and Communications staff writer Rob Crotty.
Here, in short, are the documents that made Thanksgiving.
On October 3, 1789, President George Washington issued a proclamation naming Thursday, November 26, 1789, as an official holiday of “sincere and humble thanks.†The nation then celebrated its first Thanksgiving under its new Constitution.
https://prologue.blogs.archives.gov/2010/11/24/thanksgiving-as-american-as-apple-pie/