Public holidays in Rhodesia weekend". Shangani Day was replaced as a public holiday by Occupation Day in 1920, but continued to be unofficially marked thereafter. Occupation Day, held on 12 September each year, marked the anniversary of the arrival of the Pioneer Column at Fort Salisbury in 1890, and their raising of the Union Jack on the kopje overlooking the site. It was renamed Pioneers' Day in 1961. Southern Rhodesia effectively became the entirety of Rhodesia in 1964 when Northern Rhodesia became independent as Zambia. After Southern Rhodesia's colonial government unilaterally declared independence from Britain on 11 November 1965, the anniversary became celebrated as
Northern Rhodesia who took their seats together with nine nominated official members. An elector in Northern Rhodesia had to be a United Kingdom citizen, a requirement which practically ruled out Africans who were British Protected Persons. In addition, would-be electors were required to fill in an application form in English, and to have an annual income of at least £200 or occupy immovable property worth £250 (tribal or community occupation of such property was specifically excluded). In 1929, the number of unofficial members was increased to seven. This failed to meet settler aspirations and in 1937 their members demanded parity if numbers