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Senegal

Senegal 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 Senegal rather than just read about it. In short: Senegal, officially the Republic of Senegal, is the westernmost country of mainland West Africa, situated along the Atlantic Ocean coast. It borders Mauritania to the north, Mali to the east, Guinea to the southeast and Guinea-Bissau to the southwest.

Senegal — main illustration
Senegal — illustration

Key takeaways

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

Reference excerpt

Senegal, officially the Republic of Senegal, is the westernmost country of mainland West Africa, situated along the Atlantic Ocean coast. It borders Mauritania to the north, Mali to the east, Guinea to the southeast and Guinea-Bissau to the southwest. Senegal nearly surrounds the Gambia, a country occupying a narrow strip of land along the banks of the Gambia River, which separates Senegal's southern region of Casamance from the rest of the country. It also shares a maritime border with Cape Verde. The capital and largest city of Senegal is Dakar. Senegal is the westernmost country in the mainland of the Old World, or Afro-Eurasia. It owes its name to the Senegal River, which borders it to the north and east. The climate is typically Sahelian, with a rainy season. Senegal covers a land area of almost 197,000 square kilometres (76,000 sq mi) and has a population of around 18 million. The state is a semi-presidential republic; since the country's foundation in 1960, it has been recognized as one of the most stable countries on the African continent. On the 2024 V-Dem Democracy Indices, Senegal is ranked 68th in electoral democracy worldwide and 10th in electoral democracy in Africa. The state was formed as part of the independence of French West Africa from French colonial rule. Because of this history, French is the official language, but it is understood by only a small minority of the population. Over 30 languages are spoken in Senegal. Wolof is the most widely spoken, with 80% of the population speaking it as a first or second language, acting as Senegal's lingua franca alongside French. Arabic and Pulaar also remain popular among certain communities. Like other African nations, the country includes a wide mix of ethnic and linguistic communities, with the largest being the Wolof, Fula, and Serer people. Senegalese people are predominantly Muslim. As a developing nation, Senegal is classified as a heavily indebted poor country, with a relatively low ranking on the Human Development Index (169th out of 193). Most of the population lives on the coast and works in agriculture or other food industries; other major industries include mining, tourism, and services. The historic lack of natural resources in Senegal has redirected efforts towards increasing literacy and educational attainment. Senegal is a member state of the African Union, the United Nations, the Economic Community of West African States (ECOWAS), Organisation internationale de la Francophonie, the Organisation of Islamic Cooperation, and the Community of Sahel–Saharan States.

Etymology The country of Senegal is named after the Senegal River. The name of the river may derive from a Portuguese transliteration of the name of the Zenaga, also known as the Sanhaja. Alternatively, it could be a combination of the supreme deity in Serer religion (Rog Sene) and o gal, meaning ‘body of water’ in the Serer language. French author and priest David Boilat proposed that the name comes from the Wolof phrase "sunuu gaal", which means "our canoe".

History

Early and pre-colonial eras Archaeological findings throughout the area indicate that Senegal was inhabited in prehistoric times and has been continuously occupied by various ethnic groups. Some kingdoms were created between the 6th and 14th centuries, such as Takrur in the 6th century, Namandiru, and the Jolof Empire in the 13th and 14th centuries. Eastern Senegal was once part of the Ghana Empire. Islam was introduced by the Toucouleur and Soninke through their contact with the Almoravid dynasty of the Maghreb, who helped spread it with their Toucouleur allies. This movement faced resistance from ethnicities of traditional religions, the Serers in particular. In the 13th and 14th centuries, the area came under the influence of empires to the east; the Jolof Empire was also founded during this time. In the Senegambia region, between 1300 and 1900, close to one-third of the population was enslaved, typically as a result of being taken captive in warfare. In the 14th century, the Jolof Empire grew more powerful, having united Cayor and the kingdoms of Baol, Siné, Saloum, Waalo, Futa Tooro and Bambouk, covering much of what is now Senegal and part of present-day West Africa. The empire was a voluntary confederacy of various states rather than a state built on military conquest. The empire was founded by Ndiadiane Ndiaye, a part Serer and part Toucouleur, who was able to form a coalition with many ethnicities, but collapsed around 1549 following the defeat and death of Lele Fouli Fak at the hands of Amari Ngone Sobel Fall.

Colonial era

In the mid-15th century, the Portuguese landed on the Senegalese coast, followed by traders representing other countries, including the French. Various European powers—Portugal, the Netherlands, and Great Britain—competed for trade in the area from the 15th century onward. In 1677, France gained control of what had become a minor hub in the Atlantic slave trade: the island of Gorée, near modern Dakar, used as a base to purchase slaves from the warring chiefdoms on the mainland. European missionaries introduced Christianity to Senegal and the Casamance in the 19th century. It was only in the 1850s that the French began to expand onto the Senegalese mainland, after they abolished slavery and began promoting an abolitionist doctrine, adding native kingdoms like the Waalo, Cayor, Baol, and Jolof. French colonists under Governor Louis Faidherbe progressively invaded and took over all the kingdoms, except the Serer Kingdoms of Sine and Saloum.

Yoro Dyao was in command of the canton of Foss-Galodjina and was set over Wâlo (Ouâlo) by Louis Faidherbe, where he served as a chief from 1861 to 1914. Senegalese resistance to the French expansion was led in part by Lat-Dior, Damel of Cayor, and Maad a Sinig Kumba Ndoffene Famak Joof (the Maad a Sinig, King of Sine), resulting in the famous Battle of Logandème―the battle in which the Serer King of Sine went to war against the French colonial empire, where the French decided to take revenge against Sine following their humiliating defeat at the Battle of Djilor. The Battle of Logandème was the first battle on Senegambian soil in which the French employed cannonballs. The Battle of Dakar (23–25 September 1940) was an unsuccessful Allied attempt to capture the strategic port and overthrow the pro-German Vichy French colonial administration. On 25 November 1958, Senegal became an autonomous republic within the French Union.

… excerpt ends here. Continue reading the full article.

Illustrations

Senegal illustration
Senegal illustration
Senegal illustration
Senegal: The Portuguese Empire was the first European power to colonize Senegal, beginning with the arrival of Dinis Dias in 1444 at Gorée Island and ending in 1888, when the Portuguese gave Ziguinchor to the French.
The Portuguese Empire was the first European power to colonize Senegal, beginning with the arrival of Dinis Dias in 1444 at Gorée Island and ending in 1888, when the Portuguese gave Ziguinchor to the French.
Senegal: French and local slave traders in Gorée, 18th century
French and local slave traders in Gorée, 18th century

Worked examples

Example 1 — a first encounter with Senegal

Start with the simplest possible case. Write down what Senegal 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 Senegal 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 Senegal 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 Senegal

In research
Senegal 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 Senegal 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
Senegal is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1960 establishments in Africa, 1960 establishments in Senegal, Countries and territories where French is an official language, so understanding it makes those chapters shorter.
In everyday life
Look for Senegal 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 Senegal in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Senegal 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 Senegal out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Senegal in simple terms?

Senegal, officially the Republic of Senegal, is the westernmost country of mainland West Africa, situated along the Atlantic Ocean coast. It borders Mauritania to the north, Mali to the east, Guinea to the southeast and Guinea-Bissau to the southwest.

Why does Senegal 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 Senegal?

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 Senegal.

Tags

  • 1960 establishments in Africa
  • 1960 establishments in Senegal
  • Countries and territories where French is an official language
  • Countries in Africa
  • Countries in West Africa
  • Economic Community of West African States
  • Former Portuguese colonies
  • G15 nations
  • Least developed countries
  • Member states of the African Union
  • Member states of the Organisation internationale de la Francophonie
  • Member states of the Organisation of Islamic Cooperation

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