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Thanksgiving

Thanksgiving is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Thanksgiving rather than just read about it. In short: Thanksgiving or Thanksgiving Day is a national holiday celebrated on various dates in October and November in the United States, Canada, Saint Lucia, and Liberia. It is also observed in the Australian territory of Norfolk Island.

Thanksgiving — main illustration
Thanksgiving — illustration

Key takeaways

  • Thanksgiving belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Thanksgiving to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Thanksgiving from memory before moving on to harder problems.

Reference excerpt

Thanksgiving or Thanksgiving Day is a national holiday celebrated on various dates in October and November in the United States, Canada, Saint Lucia, and Liberia. It is also observed in the Australian territory of Norfolk Island. It began as a day of giving thanks for the blessings of the harvest and of the preceding year. Various similarly named harvest festival holidays occur throughout the world during autumn. Although Thanksgiving has historical roots in religious and cultural traditions, it has long been celebrated as a secular holiday as well.

History Prayers of thanks and special thanksgiving ceremonies are common among most religions after harvests and at other times of the year. The Thanksgiving holiday's history in North America is rooted in English traditions dating from the Protestant Reformation. It also has aspects of a harvest festival, even though the harvest in New England occurs well before the late-November date on which the modern Thanksgiving holiday is celebrated in the United States. In the English tradition, days of thanksgiving and special thanksgiving religious services became important during the English Reformation in the reign of Henry VIII. Before 1536 there were 95 Church holidays, plus every Sunday, when people were required to attend church and forego work. Though the 1536 reforms in the Church of England reduced the number of holidays in the liturgical calendar to 27, the Puritan party in the Anglican Church wished to eliminate all Church holidays apart from the weekly Lord's Day, including the evangelical feasts of Christmas and Easter (cf. Puritan Sabbatarianism). The holidays were to be replaced by specially called Days of Fasting and Days of Thanksgiving, in response to events that the Puritans viewed as acts of special providence. Unexpected disasters or threats of judgement from on high called for Days of Fasting. Special blessings, viewed as coming from God, called for Days of Thanksgiving, which were observed through Christian church services and other gatherings. For example, Days of Thanksgiving were called following the victory over the Spanish Armada in 1588 and following the deliverance of Queen Anne in 1605. An unusual annual Day of Thanksgiving began in 1606 following the failure of the Gunpowder Plot in 1605 and developed into Guy Fawkes Day on November 5. Days of Fasting were called on account of plagues in 1604 and 1622, drought in 1611, and floods in 1613. Annual Thanksgiving prayers were dictated by the charter of English settlers upon their safe landing in America in 1619 at Berkeley Hundred in Virginia.

In Canada

According to some historians, the first celebration of Thanksgiving in North America occurred during the 1578 voyage of Martin Frobisher from England in search of the Northwest Passage. Other researchers, however, state that "there is no compelling narrative of the origins of the Canadian Thanksgiving day." Antecedents for Thanksgiving in Canada are also sometimes traced to the French settlers who came to New France in the 17th century, who celebrated their successful harvests. The French settlers in the area typically had feasts at the end of the harvest season. They continued throughout the winter season, even sharing food with the indigenous peoples of the area. As settlers arrived in Nova Scotia from New England after 1700, late autumn Thanksgiving celebrations became commonplace. New immigrants into the country—such as the Irish, Scottish, and Germans—also added their own traditions to the harvest celebrations. Most of the U.S. aspects of Thanksgiving (such as the turkey) were incorporated when United Empire Loyalists began to flee from the United States during and after the American Revolution and settled in Canada. In 1859, the government of the provinces of Canada declared a Thanksgiving Day in which "all Canadians [were asked] to spend the holiday in 'public and solemn' recognition of God's mercies." On 9 October 1879, Canada's Governor General, the Marquis of Lorne, declared November 6 as "a day of General Thanksgiving to Almighty God for the bountiful harvest with which Canada has been blessed." The Canadian Parliament on 31 January 1957 applied the same language in its proclamation for the modern holiday: "A Day of General Thanksgiving to Almighty God for the bountiful harvest with which Canada has been blessed—to be observed on the second Monday in October."

In the United States

… excerpt ends here. Continue reading the full article.

Illustrations

Thanksgiving illustration
Thanksgiving: Jennie Augusta Brownscombe's 1914 portrait, The First Thanksgiving at Plymouth, now on display at Pilgrim Hall Museum in Plymouth, Massachusetts
Jennie Augusta Brownscombe's 1914 portrait, The First Thanksgiving at Plymouth, now on display at Pilgrim Hall Museum in Plymouth, Massachusetts
Thanksgiving: Jennie Augusta Brownscombe's 1925 portrait, Thanksgiving at Plymouth, now on display at the National Museum of Women in the Arts in Washington, D.C.
Jennie Augusta Brownscombe's 1925 portrait, Thanksgiving at Plymouth, now on display at the National Museum of Women in the Arts in Washington, D.C.
Thanksgiving: Shrine of the first U.S. Thanksgiving held at Berkeley Hundred in Charles City County, Virginia in 1619
Shrine of the first U.S. Thanksgiving held at Berkeley Hundred in Charles City County, Virginia in 1619
Thanksgiving: Pumpkin pie, commonly served at Thanksgiving in North America
Pumpkin pie, commonly served at Thanksgiving in North America

Worked examples

Example 1 — a first encounter with Thanksgiving

Start with the simplest possible case. Write down what Thanksgiving claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Thanksgiving before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Thanksgiving ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Thanksgiving

In research
Thanksgiving appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Thanksgiving in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Thanksgiving is common in secondary-school and first-year university syllabi. It links to neighbouring topics Thanksgiving, so understanding it makes those chapters shorter.
In everyday life
Look for Thanksgiving outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Thanksgiving in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Thanksgiving means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Thanksgiving out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Thanksgiving in simple terms?

Thanksgiving or Thanksgiving Day is a national holiday celebrated on various dates in October and November in the United States, Canada, Saint Lucia, and Liberia. It is also observed in the Australian territory of Norfolk Island.

Why does Thanksgiving matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Thanksgiving?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Thanksgiving.

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