Tanganyika: Polity Style: 1961-1962

9 Dec 1961	the Tanganyika Territory became an independent state on 9 Dec 1961, the date appointed by an act passed by the Parliament of the United Kingdom (House of Commons on 10 Nov 1961, House of Lords on 21 Nov 1961; received Royal Assent on 22 Nov 1961) (Public General Acts, 1961, pp. 1008-1015) [1]
9 Dec 1961	the Constitution of Tanganyika, appended as a Schedule to the Tanganyika (Constitution) Order in Council 1961, comes into operation immediately before 9 Dec 1961, in accordance with the Tanganyika (Constitution) Order in Council 1961, made on 27 Nov 1961 (Statutory Instruments, 1961, Part III, pp. 3988-4027; Tanganyika Gazette, No. 59, 1 Dec 1961, Supplement, Government Notice No. 425, pp. 619-651) [2]
9 Dec 1961 - 9 Dec 1962	Tanganyika
9 Dec 1962	Tanganyika became a sovereign republic in accordance with an act passed by the Constituent Assembly of Tanganyika on 23 Nov 1962, assented to on 9 Dec 1962 (Tanganyika Gazette, No. 65, 7 Dec 1962, Supplement No. 1A, pp. 1-25)

Full title: An Act to make provision for, and in connection with, the attainment by Tanganyika of fully responsible status within the Commonwealth (may be cited as the Tanganyika Independence Act, 1961).
Full title: An Act to declare the Constitution of Tanganyika (may be cited as the Constitution of Tanganyika).