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Governance & Political Systems Independence era (1960s–2000) Central Africa, DRC

Lumumba's last letter — the declassified Belgian and US documents, and what they confirm

Joseph Kabongo · April 5, 2026 · 2 min read
<p>Patrice Lumumba, first Prime Minister of the independent Congo, was assassinated on 17 January 1961 in Élisabethville (now Lubumbashi), three months after his October 1960 dismissal by President Kasavubu and his subsequent escape attempt from house arrest. The circumstances of the assassination — Belgian Mining Company complicity, Katangan secessionist execution, US CIA involvement in preceding destabilization — were heavily contested for four decades and have since been substantially clarified by declassified Belgian, US, and UN archives.</p> <p>The Belgian parliamentary inquiry of 2000-2001, the Lumumba Commission, produced detailed findings on Belgian responsibility. The commission concluded that Belgium bore &#x27;moral responsibility&#x27; for the assassination through its support of the Katangan secession under Moise Tshombe, its provision of mercenary forces and technical support to the secessionists, its complicity in Lumumba&#x27;s transfer from Léopoldville to Élisabethville knowing the likely outcome, and its failure to protect Lumumba once he was in Belgian-advised Katangan custody. The 2002 official Belgian apology by Foreign Minister Louis Michel acknowledged these findings.</p> <p>The US Senate Church Committee investigations of 1975 and subsequent CIA declassifications established that Eisenhower&#x27;s National Security Council had authorized assassination planning against Lumumba in August 1960 — Allen Dulles&#x27;s CIA had been instructed to develop assassination capabilities, including a poison delivery method that CIA Station Chief Larry Devlin in Léopoldville chose not to deploy. The plot was not executed by US hands. The destabilization activities — funding Mobutu&#x27;s military faction, supporting Kasavubu&#x27;s dismissal of Lumumba, intelligence sharing with the Katangan secessionists — set the conditions under which Belgian and Katangan operatives executed the assassination.</p> <p>Lumumba&#x27;s last letter, written from Thysville prison on 11 December 1960 to his wife Pauline Opango, has become canonical in African political literature: &#x27;The day will come when history will have its say. It will not be the history taught in the United Nations, Washington, Paris, or Brussels, but the history taught in the countries that have rid themselves of colonialism and its puppets.&#x27; The letter&#x27;s circulation and translation has been part of the canonical record of African anti-colonial thought.</p> <p>Mahmood Mamdani&#x27;s analytical work on post-independence political settlements in Central Africa has emphasized how the Lumumba assassination shaped the subsequent thirty-two years of Mobutu&#x27;s Zaire — the patronage politics, the foreign-backed kleptocracy, the regional destabilization that fed into the Rwandan post-genocide refugee movements and the subsequent Congo Wars. The structural costs of the assassination have compounded across six decades. The 2022 Belgian return of Lumumba&#x27;s tooth — the only physical remnant of his body, his corpse having been dissolved in sulphuric acid by Belgian operative Gerard Soete — to his family, accompanied by King Philippe&#x27;s expression of &#x27;deepest regrets,&#x27; is the formal closing of one chapter. The structural consequences remain open.</p>

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