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 stand off until troops of the Northern Rhodesia Regiment arrived, having been flown from Lusaka and order was fully restored. In 1935 Captain Wardroper moved his office to Lusaka, the new capital. In 1936 he retired as Commissioner after 21 years in the Force and was succeeded by his deputy, Harry Hart, who had joined the NRP as a constable in 1919 after war service in the Royal Artillery. In 1937 Detective Constable Ladell investigating a burglary at Victoria Falls took plaster casts of footprints, a recent development in police practice. Ladell followed a spoor for six miles and arrested