Page "League of Nations mandate" Paragraph 28
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It became a United Nations Trust Territory on 11 December 1946, and was granted internal self-rule on 1 May 1961.
On 9 December 1961, it became an independent Commonwealth realm, transforming into a republic on the same day the next year.
On 26 April 1964, Tanganyika merged with the neighbouring island of Zanzibar to become the modern nation of Tanzania.
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