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 destroyed the German Fleet on Lake Tanganyika. In May 1916 all five NRP companies crossed into German East Africa. Combined with the two BSAP companies, in what was misnamed the Southern Rhodesia Column under Lieutenant Colonel R. E. Murray , played a full part in driving the enemy out of Tanganyika. In December 1917 the NRP troops in the field were reorganised into four double companies as the Northern Rhodesia Police Service Battalion. Meanwhile the CID and Town Police had kept on with their work back home. They obtained nearly twice as many convictions in 1917 as in 1914. In