State of New-Hampshire. The Council and Assembly of said state, have ordered [electronic resource] : that the following proclamation of the Hon'ble Continental Congress, for a general thanksgiving throughout the United States, be printed, and sent to the several religious societies in this state, to be observed, agreeable to the directions therein ... to set apart Thursday, the eighteenth day of December next, for solemn thanksgiving and praise ..

November 1, 1777 Proclamation setting December 18th as a day of thanksgiving and praise, in gratitude of the success in the war and good lands and crops.