Thanksgiving is an American holiday steeped in tradition – from gathering families for a large feast to breaking the turkey wishbone to watching football or the annual Thanksgiving Day parade.

It is also a holiday with a rich and interesting history, stemming from the New England custom of celebrating a successful harvest, and the Puritan religious tradition of thanksgivings, which combined solemn prayer and feasting.

The Continental Congress declared the first national Thanksgiving in 1777.

FORASMUCH as it is the indispensable Duty of all Men to adore the superintending Providence of Almighty God; to acknowledge with Gratitude their Obligation to him for Benefits received, and to implore such farther Blessings as they stand in Need of: And it having pleased him in his abundant Mercy, not only to continue to us the innumerable Bounties of his common Providence; but also to smile upon us in the Prosecution of a just and necessary War, for the Defense and Establishment of our unalienable Rights and Liberties; particularly in that he hath been pleased, in so great a Measure, to prosper the Means used for the Support of our Troops, and to crown our Arms with most signal success: It is therefore recommended to the legislative or executive Powers of these UNITED STATES to set apart THURSDAY, the eighteenth Day of December next, for SOLEMN THANKSGIVING and PRAISE: That at one Time and with one Voice, the good People may express the grateful Feelings of their Hearts, and consecrate themselves to the Service of their Divine Benefactor; and that, together with their sincere Acknowledgments and Offerings, they may join the penitent Confession of their manifold Sins, whereby they had forfeited every Favor; and their humble and earnest Supplication that it may please GOD through the Merits of JESUS CHRIST, mercifully to forgive and blot them out of Remembrance; That it may please him graciously to afford his Blessing on the Governments of these States respectively, and prosper the public Council of the whole: To inspire our Commanders, both by Land and Sea, and all under them, with that Wisdom and Fortitude which may render them fit Instruments, under the Providence of Almighty GOD, to secure for these United States, the greatest of all human Blessings, INDEPENDENCE and PEACE: That it may please him, to prosper the Trade and Manufactures of the People, and the Labor of the Husbandman, that our Land may yield its Increase: To take Schools and Seminaries of Education, so necessary for cultivating the Principles of true Liberty, Virtue and Piety, under his nurturing Hand; and to prosper the Means of Religion, for the promotion and enlargement of that Kingdom, which consisteth “in Righteousness, Peace and Joy in the Holy Ghost.” And it is further recommended, That servile Labor, and such Recreation, as, though at other Times innocent, may be unbecoming the Purpose of this Appointment, be omitted on so solemn an Occasion.

Presidents Washington, Adams, and Monroe each proclaimed national Thanksgivings, but the custom fell out of use by 1815, leaving individual states to observe the holiday.

Washington’s 1789 Thanksgiving Proclamation stated –

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 the United States 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.” Now therefore I do recommend and assign Thursday the 26th day of November next to be devoted by the People of these 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 his kind care and protection of the People of this country previous to their becoming a Nation – for the signal and manifold mercies, and the favorable interpositions of his providence, which we experienced in the course and conclusion of the late war –for the great degree of tranquillity, union, and plenty, which we have since enjoyed – 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, and the means we have of acquiring and diffusing useful knowledge; and in general for all the great and various favors which he hath been pleased to confer upon us. And also that we may then unite in most humbly offering our prayers and supplications to the great Lord and Ruler of Nations and beseech him to pardon our national and other transgressions – to enable us all, whether in public or private stations, to perform our several and relative duties properly and punctually – to render our national government a blessing to all the People, by constantly being a government of wise, just, and constitutional laws, discreetly and faithfully executed and obeyed – to protect and guide all Sovereigns and Nations (especially such as have shewn kindness unto us) and to bless them with good government, peace, and concord – To promote the knowledge and practice of true religion and virtue, and the increase of science among them and Us – and generally to grant unto all mankind such a degree of temporal prosperity as he alone knows to be best. Given under my hand at the City of New York the third day of October in the year of our Lord 1789. GO. WASHINGTON.

By the 1850s, almost every state celebrated Thanksgiving in some way. Through the efforts of Sarah Josepha Hale, and later Abraham Lincoln, Thanksgiving became a regularly recognized national holiday.

On October 3, 1863, in the midsts of the Civil War, President Abraham Lincoln issued a proclamation setting aside the last Thursday in November as a national day of thanks, thus setting the precedent for the modern Thanksgiving holiday.

BY THE PRESIDENT OF THE UNITED STATES OF AMERICA – A PROCLAMATION The year that is drawing toward its close has been filled with the blessings of fruitful fields and healthful skies. To these bounties, which are so constantly enjoyed that we are prone to forget the source from which they come, others have been added which are of so extraordinary a nature that they can not fail to penetrate and soften even the heart which is habitually insensible to the everwatchful providence of Almighty God. In the midst of a civil war of unequaled magnitude and severity, which has sometimes seemed to foreign states to invite and to provoke their aggression, peace has been preserved with all nations, order has been maintained, the laws have been respected and obeyed, and harmony has prevailed everywhere, except in the theater of military conflict, while that theater has been greatly contracted by the advancing armies and navies of the Union. Needful diversions of wealth and of strength from the fields of peaceful industry to the national defense have not arrested the plow, the shuttle, or the ship; the ax has enlarged the borders of our settlements, and the mines, as well of iron and coal as of the precious metals, have yielded even more abundantly than heretofore. Population has steadily increased notwithstanding the waste that has been made in the camp, the siege, and the battlefield, and the country, rejoicing in the consciousness of augmented strength and vigor, is permitted to expect continuance of years with large increase of freedom. No human counsel hath devised nor hath any mortal hand worked out these great things. They are the gracious gifts of the Most High God, who, while dealing with us in anger for our sins, hath nevertheless remembered mercy. It has seemed to me fit and proper that they should be solemnly, reverently, and gratefully acknowledged, as with one heart and one voice, by the whole American people. I do therefore invite my fellow-citizens in every part of the United States, and also those who are at sea and those who are sojourning in foreign lands, to set apart and observe the last Thursday of November next as a day of thanksgiving and praise to our beneficent Father who dwelleth in the heavens. And I recommend to them that while offering up the ascriptions justly due to Him for such singular deliverances and blessings they do also, with humble penitence for our national perverseness and disobedience, commend to His tender care all those who have become widows, orphans, mourners, or sufferers in the lamentable civil strife in which we are unavoidably engaged, and fervently implore the interposition of the Almighty hand to heal the wounds of the nation and to restore if, as soon as may be consistent with the divine purpose, to the full enjoyment of peace, harmony, tranquillity, and union. In testimony whereof I have hereunto set my hand and caused the seal of the United States to be affixed. Done at the city of Washington, this 3d day of October A.D. 1863, and of the Independence of the United States the eighty-eighth. ABRAHAM LINCOLN

Thanksgiving was celebrated on the last Thursday of November for every year from then until 1939, when President Franklin D. Roosevelt moved it up by a week in an attempt to increase holiday retail sales during the Great Depression. This move, known as Franksgiving, was met with much opposition, and, as a result, Congress passed a bill that Roosevelt reluctantly signed into law making Thanksgiving again the fourth Thursday in November.