Thanksgiving Day may have started with the pilgrims' feast, but it was President Lincoln who made a November day of thanks a national tradition.
In his Thanksgiving proclamation in 1863, Lincoln detailed the purpose of the holiday.
"The year that is drawing toward its close has been filled with the blessings of fruitful fields and healthful skies. ... I do therefore invite my fellow-citizens in every part of the United States, and also those who are in foreign lands, to set apart and observe...Full Story