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 Police were divided into separate forces on 1 April 1932. The Military became the Northern Rhodesia Regiment. The establishment of the new Northern Rhodesia Police was for seven officers, 35 members of the inspectorate, 40 British constables, 494 uniformed African police and 42 African detectives, all under Captain P. R. Wardroper as Commissioner of Police. In May 1935 an increase in the annual tax led to unrest among African mineworkers on the Copperbelt. On 29 May a large mob made repeated attacks on the compound office at Roan Antelope which was guarded by less than thirty African police, a number of