When did Tanzania get their independence?

Tanganyika gained internal self-government in May 1961 and full independence, as Tanganyika, from Britain on December 9, 1961. Zanzibar acquired complete self-government in June 1963 and became independent from Britain on December 10, 1963. Tanganyika and Zanzibar unified as the United Republic of Tanganyika and Zanzibar on April 26, 1964 and was renamed the United Republic of Tanzania in October 1964.