The problem of external intervention of the Western powers in the internal affairs of the Third World countries in general and African countries in particular, which has long historical roots and remains relevant today, is studied. It is devoted to the problem of external intervention of Great Britain in the affairs of African countries during the 1960–1980s and to the reflection of these events in the mirror of modern foreign historiography. Contemporary historical studies (books and articles) of foreign scientists (not only British, but also American, African, etc.) on general and particular issues of such interventions are analyzed. The attempts of Western and non-Western authors, if not to classify, at least to systematize information about all cases of such British intervention are analyzed. The analysis of British intervention in private and specific cases is also given. The direct military involvement of Great Britain in the suppression of the army mutinies of 1964 in three newly independent African countries – Kenya, Uganda and Tanganyika, is analyzed, the second case is the support of the Labor government of G. Wilson (1964–1970) of the central government of Nigeria during the civil war of 1967–1970 in this country, the third case is less significant intervention by Great Britain in the events connected with the struggle of Portugal against the national liberation movement in its African colonies, in particular, in Angola. It is shown that the logic of British intervention in the affairs of African countries was largely determined not only by the twists and turns of the history of the Cold War, but also by British internal political dynamics, the desire to maintain its influence in the former colonies after decolonization, to influence the policies of other colonial powers on the continent, and also by the interests of the British economy and British business.