History of rugby union matches between the British and Irish Lions and other countries and 1938 Lions tours, North-Western and North-Eastern Rhodesia had been merged to form the protectorate of Northern Rhodesia; the colony of Southern Rhodesia still existed. For the 1955 and 1962 tours, these two territories had been combined and, along with modern-day Malawi, made up the Federation of Rhodesia and Nyasaland. In 1964 Northern Rhodesia and Nyasaland were granted independence and became Zambia and Malawi respectively. Southern Rhodesia remained a colony and called itself Rhodesia (between 1964 and 1979) and Zimbabwe-Rhodesia (in 1979), though this name was not accepted by the British government who, until the independence of Zimbabwe in 1980,
Southern Rhodesia an Interpretation Bill to declare that the colony could be referred to as Rhodesia. The Bill received its third reading on 9 December 1964, and passed to the Governor for assent. However, no assent was granted to the Bill. Section 3 of the Southern Rhodesia (Annexation) Order 1923 provided that Southern Rhodesia "shall be known as the Colony of Southern Rhodesia" and the Southern Rhodesia (Constitution) Act 1961 and the Order-in-Council which followed it both referred to it as such. These were United Kingdom measures and it was outside the powers of Southern Rhodesian institutions to amend them. The Rhodesian