In 1789 George Washington wrote the first Thanksgiving 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 commitee, requested me to recommend to the people of the United states a day of public thanksgiving and prayer, to be observrd by acknowledging with grateful hearts the many and signal favors of Almighty God, especially by affording them an opportunity peaceably to establish a form of government for their safety and happiness:”
……wait a minute, I thought we weren’t a Judeo-Christian nation?