President Washington, the same week Congress passed the Bill of Rights, declared, October 3, 1789:
"Whereas both Houses of Congress have by their joint Committee requested me
'to recommend ... a Day of Public Thanksgiving and Prayer to be observed by acknowledging with grateful hearts the many signal favors of Almighty God,
especially by affording them an opportunity peaceably to establish a form of government for their safety and happiness' ...
I do recommend ... the 26th day of November ... to be devoted by the People of these United States to the service of that great and glorious Being, who is the beneficent Author of all the good that was, that is, or that will be ..."
"That we may then all unite in rendering unto Him our sincere and humble thanks ... for the peaceable and rational manner in which we have been enabled to establish constitutions of government for our safety and happiness,
and particularly the national one now lately instituted, for the civil and religious liberty with which we are blessed."