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 five shillings a year, but in 1920 the rate of hut tax was sharply increased, and often doubled, to provide more workers for the Southern Rhodesian mines, particularly the coal mines of Wankie. At this time the Company considered the principal economic benefit of Northern Rhodesia to be as a reservoir for migrant labour which could be called upon for Southern Rhodesia. British common law became the basis of the administration of Southern and Northern Rhodesia, unlike Roman Dutch law which applied in South Africa. In 1889, the British South African Company was given the power to establish a police