Chapter 01 · c. 1400 – 1600
The Rice Coast peoples and the Mane
Long before Europeans came, the Sherbro, Temne, Bullom, and others farmed and traded along the 'Lion Mountains' coast, a world reshaped in the sixteenth century by the Mane incursions from the interior.
The land that is now Sierra Leone was settled by a mosaic of peoples — among them the Sherbro and Bullom along the coast and lagoons, the Temne to the north, the Limba, the Kissi, and others inland. They lived by farming rice, fishing, ironworking, and trading, and the region's skill in rice cultivation later gave the wider area its European name, the Rice Coast. There was no single state; authority rested with local chiefdoms, lineages, and ritual societies such as the Poro and Sande that bound communities together across language lines.
Around the middle of the sixteenth century the coastal chiefdoms were overwhelmed by raiding parties from the east whom the Portuguese called the Mane (or Mani). Mande-speaking warriors, probably set in motion by upheavals connected to the breakup of the Mali empire, pushed toward the coast and by the 1550s had engulfed the Temne and other peoples, imposing a new ruling elite. Scholars debate the scale of the movement; linguistic and other evidence suggests it may have involved a change of ruling class rather than a mass migration, but its political impact was profound.
Out of this encounter new identities formed. The Mende, a Mande-speaking people who became one of Sierra Leone's largest groups, are widely held to descend in part from Mane aristocrats intermingled with indigenous Bullom and other populations, with the Mende language spreading as a lingua franca in the late sixteenth century. The coast, meanwhile, was being drawn into the Atlantic world: Portuguese navigators had charted the great harbour and named the surrounding hills Serra Lyoa, the 'Lion Mountains', from which the country takes its name.
“The Portuguese named the hills above the harbour Serra Lyoa, the Lion Mountains — a name the country still carries.”
Turning points
- c. 1460sCulture & Ideas
- before c. 1550Peoples & Migration
The Rice Coast chiefdoms
The Sherbro, Bullom, Temne, and other peoples farmed rice, fished, and traded along the coast and rivers, organised in chiefdoms and ritual societies rather than a single state.
See the data - c. 1540s–1560sWar & Rupture
The Mane incursions
Mande-speaking Mane raiders pushed to the coast and by the 1550s had subdued the Temne and other peoples, imposing a new ruling elite in a contested episode that reshaped the region's politics.
See the data - late 16th centuryPeoples & Migration
Emergence of the Mende
Out of the mingling of Mane aristocrats with indigenous Bullom and other populations the Mende identity and language took shape, spreading as a lingua franca and becoming one of Sierra Leone's largest ethnic groups.
See the data
Chapter sources: Sierra Leone (country overview and history), Pedro de Sintra, Sierra Leone, Mane people, History of Sierra Leone
Chapter 02 · c. 1560 – 1807
The Atlantic slave trade and Bunce Island
For more than two centuries the coast was drawn into the transatlantic slave trade, with Bunce Island in the Sierra Leone River becoming one of the chief British slave-trading castles on the Rice Coast.
From the sixteenth century onward the rivers and estuaries of the Sierra Leone coast were drawn into the Atlantic slave trade, as European ships exchanged goods for captives seized in raids and wars across the region. The trade brought firearms and imported goods to coastal rulers and traders, but at a terrible human cost, feeding cycles of violence and dispossession whose scars endure across Sierra Leone and the African diaspora.
The most infamous site was Bunce Island, a small island roughly twenty miles up the Sierra Leone River from the future Freetown. The Royal African Company established a fort there in the 1670s, and from about 1750 the London firm of Grant, Sargent and Oswald turned it into a thriving and brutal slave-trading operation — one of the largest British slave castles on the Rice Coast. Tens of thousands of captive men, women, and children passed through its stone fort and holding pens. Because the region's people were skilled rice-growers, many were sold to rice planters in South Carolina and Georgia, forging a lasting connection between Sierra Leone and the Gullah communities of the American Lowcountry.
The traffic in human beings was a catastrophe of immense scale and cruelty, treated here soberly as the organised system of bondage and terror it was. Its end on this coast came not from within but from the shifting politics of empire: in 1807 the British Parliament outlawed the transatlantic slave trade. Bunce Island ceased operating as a slave-trading post; later attempts to use it as a plantation, trading post, and sawmill failed, and the island was abandoned around 1840, leaving haunting ruins that are today a protected monument and a candidate for UNESCO World Heritage status.
“Tens of thousands of captives passed through Bunce Island's stone fort — many sold to rice planters in Carolina and Georgia.”
Turning points
- 16th centuryEconomy & Trade
The coast enters the Atlantic trade
European ships drew the rivers of the Sierra Leone coast into the transatlantic slave trade, exchanging goods and firearms for captives seized in raids and wars across the region.
See the data - 1670sColonisation
Bunce Island slave fort established
The Royal African Company built a fortified post on Bunce Island in the Sierra Leone River, beginning the island's long and notorious role in the British slave trade.
See the data - c. 1750Economy & Trade
Bunce Island at its height
Under the London firm of Grant, Sargent and Oswald, Bunce Island became one of the largest British slave castles on the Rice Coast, with many captives — valued as skilled rice-growers — sold to planters in South Carolina and Georgia.
See the data - 1807Politics & Power
Chapter sources: Sierra Leone, Sierra Leone (country overview and history), Bunce Island, Sierra Leone River, Bunce Island in Sierra Leone (Gilder Lehrman Center), Bloody Bunce: A Legacy of the Transatlantic Slave Trade in Sierra Leone
Chapter 03 · 1787 – 1808
The Province of Freedom and the founding of Freetown
On the same coast that had fed the slave trade, British abolitionists founded a settlement for freed and formerly enslaved people — the 'Province of Freedom' of 1787, then Freetown, settled by the Black Poor, Nova Scotians, and Jamaican Maroons.
In one of history's striking reversals, the Sierra Leone peninsula became a haven for freed and formerly enslaved people. In 1787 the Committee for the Relief of the Black Poor, an abolitionist group associated with Granville Sharp, settled about 400 of London's 'Black Poor' — free Black Londoners, many of them formerly enslaved — on the peninsula, founding the 'Province of Freedom' and a settlement named Granville Town. Disease, hunger, and conflict with local Temne rulers nearly destroyed the venture; Granville Town was burned in 1789.
The project was revived on a larger scale under the Sierra Leone Company, chartered in 1791. In 1792 the company brought over some 1,100–1,200 Black settlers from Nova Scotia — African Americans who had sided with the British during the American Revolution in hope of freedom and had been resettled in the harsh Canadian Maritimes. Led by figures such as Thomas Peters and guided ashore by the abolitionist John Clarkson, they founded Freetown on the harbour beneath the Lion Mountains. In 1800 they were joined by some 550 Jamaican Maroons, exiled after the Second Maroon War, who helped suppress a Nova Scotian settlers' revolt that same year.
Life in the early colony was precarious: disease, crop failure, friction with the Sierra Leone Company over land and rents, and a French naval raid that sacked Freetown in 1794 all threatened the settlement's survival. Yet Freetown endured, and these intertwined communities of the Black Poor, the Nova Scotians, and the Maroons formed the nucleus of a new society — Christian, English-speaking, and self-consciously free — that would soon be vastly enlarged by Africans rescued from slave ships.
“On the same coast that had fed the slave trade, abolitionists planted a settlement for free Black people — the Province of Freedom.”
— Sierra Leone, 1787
Turning points
- 1787Formation
- 1791Colonisation
The Sierra Leone Company chartered
After Granville Town's destruction, the abolitionist-backed Sierra Leone Company was chartered to revive and govern the colony as a base for legitimate commerce and Christian settlement.
See the data - 1792Peoples & Migration
Nova Scotian settlers found Freetown
Some 1,100–1,200 Black settlers from Nova Scotia — African Americans who had sought freedom with the British in the American Revolution — landed and founded Freetown beneath the Lion Mountains.
See the data - 1800Peoples & Migration
Jamaican Maroons arrive
About 550 Jamaican Maroons, exiled after the Second Maroon War, arrived in Freetown and helped put down a revolt by the Nova Scotian settlers against the Sierra Leone Company.
See the data
Figures of the era
Chapter sources: Founding of Sierra Leone, 1787, On the Foundings of Sierra Leone, 1787–1808, Sierra Leone (country overview and history), Freetown, Sierra Leone (1792– ), Nova Scotian Settlers
Chapter 04 · 1808 – 1895
Crown Colony, Liberated Africans, and the Krio
As a British Crown Colony from 1808, Freetown became the base of the Royal Navy's West Africa Squadron, whose courts freed more than 80,000 'Liberated Africans' who, with the earlier settlers, formed the Krio people.
In 1808 the British Crown took over the struggling colony from the Sierra Leone Company, making Freetown a Crown Colony and soon the seat of British West Africa. With the slave trade now illegal, the Royal Navy stationed its West Africa Squadron at Freetown to intercept slave ships along the coast. Captives freed from these vessels were brought before Vice-Admiralty and later Mixed Commission courts in Freetown and emancipated — the 'Liberated Africans', or recaptives. More than 80,000 were landed and freed at Freetown between 1808 and the 1860s, drawn from peoples across West Africa.
Resettled in Freetown and surrounding villages, the Liberated Africans, together with the descendants of the Nova Scotians, Maroons, and Black Poor, fused over several decades into a distinctive new community: the Krio (or Creole). They developed Krio, an English-based creole language that became a lingua franca of trade and mission across West Africa, embraced Christianity and Western education, and produced an influential class of merchants, clergy, civil servants, and professionals who fanned out along the coast as the 'Saro' of Nigeria and elsewhere.
Freetown became a centre of learning unmatched in the region. In 1827 the Church Missionary Society founded Fourah Bay College, the first Western-style university in sub-Saharan Africa, whose graduates — including Samuel Ajayi Crowther, a recaptive who became the first African Anglican bishop — earned Freetown the nickname 'the Athens of West Africa'. Through the nineteenth century the colony remained confined largely to the peninsula and coast, a small but cosmopolitan British enclave alongside the independent African chiefdoms of the interior.
“More than 80,000 Africans rescued from slave ships were freed before the courts of Freetown — and from them the Krio people were born.”
Turning points
- 1808Colonisation
Sierra Leone becomes a Crown Colony
The British Crown took over from the Sierra Leone Company, making Freetown a Crown Colony and the principal base for the Royal Navy's suppression of the Atlantic slave trade.
See the data - 1808–1860sPeoples & Migration
The West Africa Squadron frees the recaptives
Courts at Freetown emancipated more than 80,000 'Liberated Africans' rescued from slave ships by the Royal Navy's West Africa Squadron, who were resettled in and around the colony.
See the data - 18 February 1827Culture & Ideas
- mid-19th centuryCulture & Ideas
Figures of the era
Chapter sources: Sierra Leone (country overview and history), Liberated Africans in Sierra Leone, Fourah Bay College (1827– ), Fourah Bay College, Saro people
Chapter 05 · 1896 – 1971
Protectorate, the Hut Tax War, and independence
Britain declared an inland Protectorate in 1896, provoking the 1898 Hut Tax War led by Bai Bureh; six decades later Sierra Leone won independence under Milton Margai, before drifting toward one-party rule.
In the scramble for Africa that followed the Berlin Conference, Britain extended its authority beyond the coastal colony. In 1896 it proclaimed a Protectorate over the interior, asserting control over the Temne, Mende, and other peoples who had governed themselves for centuries. To finance colonial administration, the governor imposed a tax on every dwelling — the Hut Tax — which struck at the autonomy and resources of the chiefdoms and was widely resented as an alien imposition.
Resistance erupted in 1898. In the north the Temne war-leader Bai Bureh led an armed revolt against the tax and British rule, waging a skilful guerrilla campaign with the support of allied chiefs; in the south the war spread among the Mende. The British eventually suppressed the rising with considerable force; Bai Bureh was captured in 1898 and exiled, later allowed to return. The Hut Tax War remains a foundational episode of anti-colonial resistance in Sierra Leone's national memory.
Through the first half of the twentieth century colonial rule entrenched a divide between the Krio-dominated Colony and the much larger Protectorate. After the Second World War constitutional reform widened African participation, and political movements emerged — above all the Sierra Leone People's Party, led by the Mende physician Sir Milton Margai. Sierra Leone gained internal self-government and then, on 27 April 1961, full independence from the United Kingdom, with Margai as its first prime minister. He died in 1964 and was succeeded by his half-brother Albert Margai; in 1971 the country became a republic.
“The Hut Tax struck at the autonomy of the chiefdoms — and Bai Bureh answered with a war that still defines Sierra Leone's resistance.”
— The Hut Tax War, 1898
Turning points
- 1896Colonisation
The Protectorate proclaimed
Britain declared a Protectorate over the interior of Sierra Leone, extending colonial rule over the Temne, Mende, and other peoples beyond the coastal Crown Colony.
See the data - 1898War & Rupture
The Hut Tax War
The imposition of a tax on dwellings sparked armed resistance led by the Temne chief Bai Bureh in the north and spreading to the Mende in the south; Britain suppressed the revolt and exiled Bai Bureh.
See the data - 1951Politics & Power
- 27 April 1961Independence
Independence from the United Kingdom
Sierra Leone became an independent state within the Commonwealth under Prime Minister Sir Milton Margai, ending British colonial rule begun in 1808.
See the data - 19 April 1971Politics & Power
Figures of the era
Bai Burehc. 1840–1908
Temne war-leader of the 1898 Hut Tax War
Temne ruler and military strategist who led the northern revolt against the British Hut Tax in 1898, waging a celebrated guerrilla campaign before his capture and exile; a national hero of anti-colonial resistance.
Chapter sources: Sierra Leone (country overview and history), Hut Tax War of 1898, Bai Bureh, Milton Augustus Margai (1895–1964), A Guide to the History of Recognition: Sierra Leone, Siaka Stevens, Policy & History (Sierra Leone)
Chapter 06 · 1971 – present
One-party rule, civil war, and recovery
Siaka Stevens's one-party state hollowed the country out, setting the stage for a brutal civil war (1991–2002) fuelled by 'blood diamonds', followed by international justice, the 2014 Ebola epidemic, and a fragile recovery.
After becoming president in 1971, Siaka Stevens and his All People's Congress steadily concentrated power. In 1978 a new constitution made Sierra Leone a one-party state under the APC, entrenching patronage, corruption, and economic decline. Stevens handed power to Joseph Saidu Momoh in 1985, but the state he left was weak and its institutions decayed — a fragility that would prove catastrophic.
On 23 March 1991 the Revolutionary United Front (RUF), led by Foday Sankoh and backed by the Liberian warlord Charles Taylor, invaded from Liberia, igniting an eleven-year civil war. The conflict was marked by extreme brutality — mass killings, sexual violence, the abduction of thousands of children as soldiers, and the RUF's signature terror of amputating civilians' limbs — and was sustained by 'blood diamonds' mined under forced labour and smuggled to fund the fighting. More than 120,000 people are estimated to have died and much of the population was displaced. These atrocities are recorded here soberly, as crimes whose victims deserve remembrance.
The war ended through international intervention. After the 1999 Lomé Peace Accord faltered and the RUF again advanced on Freetown, a British military deployment (Operation Palliser) and a strengthened UN Mission (UNAMSIL) turned the tide; Sankoh was captured in 2000 and disarmament was completed by January 2002, when the war was declared over. The UN-backed Special Court for Sierra Leone was established to prosecute those most responsible, and in 2012 it convicted former Liberian president Charles Taylor of aiding war crimes, sentencing him to 50 years. Recovery was then tested again by the 2014–2016 Ebola epidemic, which killed nearly 4,000 people in Sierra Leone before being declared over. The country has since rebuilt as a multiparty democracy with repeated peaceful elections, though it still grapples with poverty and the legacies of war.
“Eleven years of war, fuelled by 'blood diamonds', killed more than 120,000 — and ended only with international intervention and justice.”
— Sierra Leone Civil War, 1991–2002
Turning points
- 1978Politics & Power
- 23 March 1991War & Rupture
Civil war begins
The Revolutionary United Front under Foday Sankoh, backed by Liberia's Charles Taylor, invaded from Liberia, beginning an eleven-year civil war marked by atrocities and funded by 'blood diamonds'.
See the data - May 2000War & Rupture
British intervention and UNAMSIL
As the RUF again advanced on Freetown, Britain's Operation Palliser and a strengthened UN Mission (UNAMSIL) turned the war; Foday Sankoh was captured, breaking the rebellion's momentum.
See the data - 18 January 2002War & Rupture
The civil war ends
With disarmament completed, the eleven-year civil war was declared over; estimates put the death toll above 120,000, with millions displaced and thousands maimed.
See the data - 2012Politics & Power
- 2014–2016Catastrophe
The Ebola epidemic
An Ebola outbreak reached Sierra Leone in May 2014, killing nearly 4,000 people and overwhelming health services before the WHO declared the outbreak over in November 2015, with recovery following.
See the data
Figures of the era
Siaka Stevens1905–1988
First President of Sierra Leone
Trade unionist and APC leader who became prime minister in 1968 and first president in 1971, turning Sierra Leone into a one-party state in 1978 and ruling until 1985 amid deepening corruption and decline.
Chapter sources: Siaka Stevens, Policy & History (Sierra Leone), The Sierra Leone Civil War (1991–2002), Foday Sankoh, British military intervention in the Sierra Leone Civil War (Operation Palliser), Sierra Leone Civil War, The Prosecutor vs. Charles Ghankay Taylor, Prosecutor welcomes UN-backed court's decision to uphold Charles Taylor conviction, Statement on the end of the Ebola outbreak in Sierra Leone, Ebola virus epidemic in Sierra Leone