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 England, where the assistance of the local CID was obtained. On 1 April 1924 the Administration of Northern Rhodesia became the direct responsibility of the Colonial Office. The NRP then consisted of: Colonel Stennett was succeeded as Commandant by Lt-.Col. Arthur Stephenson . Although he had no previous police experience, Stephenson was no stranger to Northern Rhodesia having worked in the postal service and later as a labour recruiter prior to 1914. In May 1926 one hundred men of the Military Branch converged on Serenje to deal with unrest caused by the activities of Tom Nyrenda, Mwanalesa, "The Son of