Background · History · The Gambia

History of The Gambia: a short guide and timeline

Published June 3, 2026. Updated September 27, 2026.

The history of The Gambia is, more than anything, the history of a river. In short: the lands along the River Gambia were part of great West African states such as the Mali Empire; Europeans arrived in the 1450s and fought over the river for its trade; Britain took control, founded Bathurst (now Banjul) in 1816, and agreed the country's river-hugging borders with France in 1889; and The Gambia became independent on 18 February 1965 and a republic in 1970. This page gives a scannable timeline, then explains the key chapters — including why the country is shaped like a river. It is a general overview rather than a scholarly account; for serious study, follow up with dedicated historical sources.

Key dates in Gambian history

The timeline below covers the milestones most people are looking for. Early dates are approximate.

A country shaped by the river

Long before modern borders, the River Gambia was a corridor between the Atlantic and the African interior. Goods, languages, and religions moved along it, and the settlements that grew on its banks became points of exchange. The unusual shape of the modern country — a narrow strip following the river inland from the coast — is a direct legacy of that history. The River Gambia guide covers the river itself: its length, width, and course.

Early history: stone circles and the great empires

People have lived along the river for thousands of years. The most striking early monuments are the Senegambian stone circles — rings of carved laterite pillars built over many centuries, roughly between the 3rd century BC and the 16th century AD. The best-known Gambian sites are at Wassu and Kerbatch in the Central River Region, and the wider group was inscribed as a UNESCO World Heritage Site in 2006. They are associated with burials, but much about who built them remains uncertain.

From around the 13th century, the region fell within the orbit of the Mali Empire. Mandinka traditions, social structures, and the role of the griot (oral historian and musician) spread with it. As Mali declined, the Mandinka kingdom of Kaabu (Gabu), centred to the south in what is now Guinea-Bissau, became the dominant regional power for several centuries, while smaller kingdoms such as Niumi at the river mouth governed local affairs, trading in salt, gold, iron, cloth, and farm produce. Wolof, Fula, Jola, Serahule, and other peoples also shaped the region, and this deep history still shapes the country's peoples and culture today.

European arrival and the river trade

Navigators sailing for Portugal reached the river in 1455–1456, the first Europeans to chart it. Over the following centuries the river drew Portuguese, English, French, Dutch, and even Baltic traders. In 1651 the Duchy of Courland built a fort on an island in the river; the English seized it in 1661 and named it James Island after the Duke of York. Control of the river became a strategic prize, and posts such as James Island and French-held Albreda on the north bank changed hands or were attacked repeatedly as Britain and France competed for the same waterway.

The trans-Atlantic era and its legacy

The river was also part of the trans-Atlantic slave trade, and small islands and riverside posts served as points in that traffic. Sites such as Kunta Kinteh Island (renamed from James Island in 2011), and the villages of Albreda and Juffureh on the north bank, are central to how that history is remembered; they are protected together as a UNESCO World Heritage Site. They became internationally known through the story of Roots, and today anchor a route of heritage tourism. The roots tourism guide covers visiting these places thoughtfully.

The colonial period

After Britain abolished its slave trade in 1807, it wanted a base at the river mouth to control shipping. In 1816 Captain Alexander Grant founded Bathurst — today's capital, Banjul — on St Mary's Island, naming it after the British colonial secretary, Lord Bathurst. For parts of the 19th century the settlement was administered from Sierra Leone, and at other times as a separate colony. British influence gradually extended upriver, with a post on MacCarthy Island (today's Janjanbureh). The 1889 boundary agreement with France fixed the territory's borders, and in 1894 Britain declared a protectorate over the interior. Groundnuts (peanuts) became the main export crop and the backbone of the colonial economy.

Why is The Gambia shaped like a river?

The Gambia follows the river because its borders were drawn around British control of the river trade. By the 19th century Britain held the river mouth and trading posts along the waterway, while France controlled the surrounding territory that became Senegal. Neither side wanted to fight over it, so in 1889 Britain and France signed an agreement setting the boundary. Rather than follow natural features or existing kingdoms, it largely ran at a fixed distance — about 10 km (roughly six miles) — north and south of the river, with arcs and straight lines joining the points, as far inland as Yarbutenda near the eastern end. Surveyors marked it out on the ground in the years that followed.

The result is a country roughly 320 km long from west to east but typically only 20–50 km wide, surrounded on three sides by Senegal and open to the Atlantic on the fourth. It is the smallest country on mainland Africa, at a little over 10,000 km² of land.

The cannon-shot story is folklore. A popular tale says the border was set by how far a British gunboat's cannon could fire from the river. It is a memorable way to explain the shape, but it is not how the boundary was actually decided — that was done on paper by the 1889 agreement and later survey work.

So is The Gambia "just a river"? No. It is a sovereign country of more than two million people, named after the river and built around it, with towns, farmland, forests, and a coastline of its own. You can see the shape clearly on the map of The Gambia.

Where the name "The Gambia" comes from — and why it uses "The"

The country takes its name from the River Gambia. The word reached English through Portuguese forms such as Gâmbia; its original source is uncertain, and it is often traced to a local name for the river. A popular claim that it comes from the Portuguese word câmbio ("exchange" or "trade") is best treated as unproven.

The definite article is part of the official name. Because the country is named after a river — and rivers in English take "the" — it was long called "the Gambia". Around independence the government chose to keep "The" in the official name, a decision commonly explained as a way to reflect the river origin and to avoid confusion with Zambia, which became independent in 1964. It is one of only a few countries whose official English name includes "The".

Place names that tell the story

Many Gambian toponyms carry this history. A few worth knowing:

• Banjul — called Bathurst from 1816 until 1973. The name Banjul is usually linked to a Mandinka term for the fibre plants gathered on the island.
• Kunta Kinteh Island — formerly James Island (named for the Duke of York in 1661), renamed in 2011 after the central figure of Roots.
• Janjanbureh — the river-island town known in colonial times as Georgetown, on MacCarthy Island.
• Bolong — the local word for a creek or tributary, found in many place names such as Bintang Bolong.
• Kombo, Niumi, Kiang, Baddibu — district names that preserve the old pre-colonial kingdoms along the river.

The road to independence

How did The Gambia become a country? It grew out of the British colony and protectorate. After the Second World War, political parties formed, the franchise widened, and the territory moved step by step toward self-government. Many observers doubted that such a small, narrow state could stand alone, and union with Senegal was discussed, but The Gambia became independent from Britain on 18 February 1965 as a constitutional monarchy within the Commonwealth, with Dawda Jawara of the People's Progressive Party as prime minister. After a referendum it became a republic in 1970, with Jawara as president. Bathurst was renamed Banjul in 1973.

The Jawara years and the Senegambia Confederation

Sir Dawda Jawara led the country for almost three decades, and The Gambia was known for multiparty politics at a time when many African states were one-party systems. In 1981 an attempted coup was put down with the help of Senegalese troops. That led to the Senegambia Confederation (1982–1989), which linked the two countries' security and foreign policy while keeping them separate states. It was dissolved in 1989 amid disagreements over how far integration should go.

The modern republic

A military coup in July 1994 brought Yahya Jammeh to power. He later won a series of elections and ruled for more than 22 years, a period marked by growing criticism of human rights abuses; The Gambia also left the Commonwealth in 2013. In the December 2016 presidential election, Adama Barrow won. Jammeh first accepted the result and then rejected it, leading to a tense standoff that ended in January 2017 after mediation and pressure from ECOWAS, when Barrow was sworn in and Jammeh left the country. The Gambia rejoined the Commonwealth in 2018, a truth commission examined the abuses of the Jammeh era, and Barrow was re-elected in 2021.

Today The Gambia is a small republic that continues to balance its agricultural and fishing base, a growing services sector, and a tourism economy built around its coast, river, and heritage.

How history shows up today

• Geography. The river-shaped borders and Senegal's near-total enclosure both come straight from the colonial map.
• Heritage tourism. The trans-Atlantic sites along the river, and the stone circles at Wassu, remain among the country's most significant cultural destinations — see the national parks and heritage sites guide and day trips.
• Language and faith. English as the official language, alongside widely spoken local languages and a tradition of religious tolerance, reflects layers of contact and exchange — see language and etiquette.
• Trade instincts. The country's role as a regional trading point, explored in the trade and logistics guide, echoes the river's long commercial past.

Frequently asked questions

What is a short summary of the history of The Gambia?

The lands along the River Gambia were linked to the Mali Empire and later the Kaabu kingdom. Portuguese navigators arrived in 1455–56, and European powers competed for the river trade, including the trans-Atlantic slave trade. Britain founded Bathurst (Banjul) in 1816, the borders were fixed with France in 1889, and The Gambia became independent on 18 February 1965 and a republic in 1970.

How did The Gambia become a country?

It developed from a British colony at the river mouth and a protectorate over the riverbanks, whose borders were agreed with France in 1889. After gradual moves toward self-government, it became independent from Britain on 18 February 1965 and a republic in 1970.

Why does The Gambia follow the river?

Britain controlled the river and its trade, while France held the surrounding land that became Senegal. An 1889 Anglo-French agreement set the boundary at roughly 10 km either side of the river, which produced the long, narrow shape seen on maps today.

Were the borders of The Gambia set by cannon fire?

No. The idea that the border marks how far a British gunboat's cannon could fire is folklore. The boundary was set by the 1889 Anglo-French agreement and later survey work.

Is The Gambia just a river?

No. The Gambia is an independent country of more than two million people. It is named after the River Gambia and wraps around it, forming a strip of land roughly 320 km long and typically 20–50 km wide.

Why is it called The Gambia with "The"?

The country is named after the River Gambia, and river names in English take "the". The article was kept in the official name around independence, commonly explained as reflecting the river origin and avoiding confusion with Zambia.

When did The Gambia gain independence?

The Gambia became independent from Britain on 18 February 1965, which is celebrated each year as Independence Day. It became a republic on 24 April 1970.

Who was the first leader of The Gambia?

Sir Dawda Jawara led The Gambia at independence, first as prime minister and then as president from 1970 until the 1994 coup.

What to read next

• The River Gambia — the river that shaped the country.
• People and culture — the communities that carry this history.
• Roots tourism — visiting Kunta Kinteh Island, Albreda, and Juffureh.
• Banjul city guide — the colonial-era capital today.
• Janjanbureh — the historic river-island town.
• Map of The Gambia — how the river drew the borders.
• Kunta Kinteh Island — the UNESCO-listed island fort in the River Gambia, formerly James Island, and the related sites at Juffureh.
• Wassu Stone Circles — ancient laterite megaliths near Kuntaur, part of the UNESCO-listed Stone Circles of Senegambia.
• Government and politics — how the presidential republic works, from the National Assembly and courts to local councils and political history.