African history is brimming with triumphs, golden ages, and moments that have shaped humanity. Yet, the continent has also endured some of the bleakest chapters we’ve ever witnessed, especially during the era of colonisation. In this roundup we examine the 10 darkest phases that scarred Africa, ranging from brutal slave trades to early 20th‑century genocides and recent humanitarian catastrophes.
Understanding the 10 Darkest Phases
10 Sharpeville Massacre
On 21 March 1960 a crowd of roughly 20,000 black demonstrators gathered outside a police station in Sharpeville, a small township just south of Johannesburg, South Africa. Their protest targeted the oppressive pass laws that had regulated non‑white movement since the early 1700s, forcing people to carry identification papers in restricted zones. The protesters were unarmed, peaceful, and simply demanded arrest for failing to produce their pass books.
Police accounts, however, claimed the crowd turned violent, prompting a two‑minute shootout that left 69 civilians dead and about 180 wounded. Officers allegedly used automatic weapons to fire on the unarmed crowd.
The Sharpeville massacre became a turning point in the broader anti‑apartheid movement, pushing many organisations toward more militant and revolutionary tactics in their struggle against the regime.
9 Mau Mau Uprising
Between 1952 and 1960, a coalition of Bantu‑speaking Kikuyu fighters launched a rebellion against British rule in Kenya. Known as the Mau Mau uprising – or the Kenyan Emergency in Britain – the conflict featured widespread violence against civilians and retaliatory measures such as torture. The uprising stemmed from Kikuyu grievances over racial discrimination, dispossession of land, and forced labour imposed by the colonial administration.
In response, the colonial regime declared a state of emergency, deployed troops, and set up a network of detention camps where thousands of Kenyans were held without trial and subjected to inhumane treatment. Casualty estimates vary, but some reports suggest more than 10,000 Kenyans were killed. While official operations tapered off by 1955, the rebellion officially persisted until 1960.
8 Herero And Namaqua Genocide
The Herero and Namaqua genocide unfolded in what is now Namibia when imperial German forces launched a campaign of extermination from 1904‑1907. After a local uprising against German colonial policies, the Germans pursued a systematic effort to eradicate the Herero and Nama peoples. Rough estimates place the death toll at over 80,000, though the true figure is likely higher.
Over four years the German army employed tactics such as starvation, forced labour, and outright murder, wiping out around 80% of the Herero population and about half of the Nama. Historians often view this atrocity as a grim precursor to the horrors of World War II.
7 1993 Massacre In Burundi
In October 1993, elements of the Burundian army attempted a coup against the newly elected democratic government led by President Melchior Ndadaye. While Ndadaye’s victory had signalled a hopeful turning point, the failed coup resulted in his assassination and ignited a brutal wave of violence between Hutu and Tutsi factions.
The ensuing bloodshed was primarily directed at Hutus, who were viewed as supporters of Ndadaye’s administration. Military, police, and Tutsi‑aligned civilian militias carried out killings over several months, with estimates ranging from 80,000 to 100,000 victims. Many were slain in their homes and dumped in mass graves, while others perished in churches and schools.
6 First Congo War
The First Congo War is considered part of the deadliest conflict in African history, with an estimated death toll exceeding 5.4 million. The war erupted as a spill‑over from the 1994 Rwandan genocide, as the Tutsi‑led Rwandan government pursued Hutu perpetrators who had fled into eastern Democratic Republic of Congo.
In October 1996, Rwandan and Ugandan forces invaded eastern DRC, targeting the refugee Hutu militias. The conflict quickly expanded into a regional war involving multiple armed groups and foreign powers. Civilians endured widespread atrocities, including rape, torture, and murder without trial. The war concluded in 1997 when Rwanda and Uganda‑backed Laurent Désiré Kabila assumed the Congolese presidency.
5 Maji Maji Rebellion
From 1905 to 1907, Germany waged a fierce campaign against the peoples of German East Africa – present‑day Tanzania. The uprising, dubbed “Maji Maji” after a local potion, united ethnic groups such as the Ngoni, Hehe, and Yao in opposition to German officials, Arab administrators, and wealthy traders.
The rebellion erupted in July 1905 after the colonial administration forced locals to grow cotton exclusively, confiscating land and displacing communities. Some rebels believed the mystical “maji maji” made them bullet‑proof, a belief quickly shattered by German firepower. The Germans responded with brutal tactics: burning villages, executing rebels, and deploying high‑powered weapons against civilian settlements. Despite being outgunned, the rebels fought fiercely, but by war’s end between 200,000 and 300,000 Africans had perished.
4 War In Darfur
The Darfur crisis erupted in 2003 in western Sudan, rooted in long‑standing tensions between the Sudanese government and non‑Arab African communities. While the conflict is complex, involving political, economic, and environmental factors, it essentially stems from the government’s marginalisation of Darfur’s non‑Arab populace.
The war has witnessed egregious human‑rights violations: ethnic cleansing, mass rape, torture, and the displacement of millions. The Sudanese state is accused of arming and supporting Arab militias known as the Janjaweed, responsible for many atrocities against non‑Arab civilians. According to United Nations data from 2021, the conflict has claimed roughly 300,000 lives and forced over 2.5 million people from their homes.
3 Algerian War Of Independence
From 1954 to 1962, Algerian fighters waged a massive rebellion against French colonial rule, involving more than half a million French troops at its height. The National Liberation Front (FLN) initiated attacks on French personnel and property in and around Algiers, sparking a protracted war.
France retaliated with extreme force, employing torture, executions, and concentration‑camp‑style detention to suppress the FLN. A state of emergency was declared, civil liberties were suspended, and widespread human‑rights abuses ensued. Casualty figures differ: French sources cite 300,000‑500,000 Algerian deaths, while Algerian estimates exceed 1.5 million.
2 Igbo Genocide
The Nigerian Civil War, also known as the Biafran War, raged from 1967 to 1970. This 30‑month conflict pitted the Nigerian federal government against the secessionist Republic of Biafra, dominated by the Igbo ethnic group. The war resulted in at least one million deaths, primarily among the Igbo.
The Nigerian army, led by General Yakubu Gowon, targeted the Igbo with mass killings, rape, and starvation. A brutal blockade prevented food and medical aid from reaching Biafra, causing a catastrophic famine. The war ended in January 1970 when Biafran forces surrendered, marking one of Africa’s deadliest civil wars.
1 Congo Free State
The Congo Free State was a privately owned colonial entity that covered most of the Congo Basin. Established in the 1880s as the personal possession of Belgium’s King Leopold II, the regime lasted over two decades and was characterised by savage oppression of the Congolese.
Leopold’s agents and private militias used brutal methods to force locals into rubber collection, including torture and mutilation. One notorious practice involved amputating the hands of workers who failed to meet quotas. Although precise death counts are unknown, the population reportedly fell from about 20 million to 8 million during this period.
International outrage grew in the early 20th century, prompting a worldwide campaign that eventually forced Leopold to cede control of the territory to the Belgian government in 1908.