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 were unchallengeable and persuaded the United Kingdom government to enter into direct negotiations over the future administration of Northern Rhodesia. As a result, a settlement was achieved by which Northern Rhodesia remained a protectorate but came under the British government, with its administrative machinery taken over by the Colonial Office, while the British South Africa Company retained extensive areas of freehold property and the protectorate's mineral rights. It was also agreed that half of the proceeds of land sales in the former North-Western Rhodesia would go to the Company. On 1 April 1924, Herbert Stanley was appointed as Governor and