After decades of German and then British colonial rule, Tanganyika achieved independence within the Commonwealth. Julius Nyerere, a former teacher known as 'Mwalimu,' became prime minister and later the country's first president. Tanganyika would merge with Zanzibar in 1964 to form Tanzania, and Nyerere would go on to champion African socialism and pan-African unity.
Julius Nyerere had built his political movement, the Tanganyika African National Union, into a genuinely mass organization while working as a schoolteacher, a background that earned him the enduring nickname 'Mwalimu' — teacher. Unlike many independence struggles across the continent, Tanganyika's transition was remarkably peaceful, achieved through negotiation rather than armed conflict.
At the independence ceremony in Dar es Salaam, the Union Jack came down and the new green, gold, and black flag rose as tens of thousands watched. Nyerere spoke of unity and self-reliance, themes that would define his controversial later policy of 'ujamaa,' or African socialism, which pooled rural populations into collective villages.
The country's constitutional evolution moved quickly: it became a republic within a year, and by 1964 had merged with the Zanzibar archipelago to form the United Republic of Tanzania. Nyerere remained a towering, if economically unsuccessful, figure in African politics for decades, prized for his integrity even as his socialist experiments faltered.