A Day Of Thanks For God, Country, Founders and Generations of Patriots Thanksgiving Proclamation, 3 October 1789 President George Washington’s Thanksgiving Proclamation [New York, 3 October 1789] By the President of the United States of America. a Proclamation. Whereas it is the duty of all Nations to acknowledge the providence of Almighty God, to obey his will, to be grateful for his benefits, and humbly to implore his protection and favor—and whereas both Houses of Congress have by their joint Committee requested me “to recommend to the People of [...]