“Why Jefferson Said ‘No’ to Thanksgiving”

As a limited-government conservative, I’m actually not altogether unsympathetic to Jefferson’s point of view on this matter:

http://www.realclearbooks.com/articles/2016/11/23/why_jefferson_said_no_to_thanksgiving_171.html

Still, I really like Abraham Lincoln’s Thanksgiving Proclamation:

http://www.abrahamlincolnonline.org/lincoln/speeches/thanks.htm

And I can’t bring myself to condemn as constitutionally inappropriate the prayer that was spoken on the radio by President Franklin D. Roosevelt on 6 June 1944, in connection with the D-Day invasion at Normandy: