 Hart akashanda muHondo yechipiri yeBoer kubva mukupera kwa1899, pakutanga achitungamirira Northern Company yeMounted Infantry, achive aripo panguva dzese dzekuita nezveNaawpoort neColesberg neFrenchs Cavalry Division iyo yaakataurwa nezvayo mumatumwa. Akatungamira boka iri mukununurwa kweKimberley 15 Kukadzi 1900 uye mukufambira mberi paBloemfontein, kusanganisira hondo yePaardeberg panguva yaakakuvara, kurwisana kuDriefontein, Poplar Grove, uye Klip Drift, uye mukutora kweBloemfontein uye mashandiro kumabvazuva kweguta iro nezveThabanchu. Muzhizha ra1900 akashanda neHamiltons Force achitungamirira Northern Company of Mounted Infantry uye akazoshanda semukuru mukuru weLegges Corps of Mounted Infantry panguva yekufambira mberi kuenda kuPretoria nekutora kwakazotevera kweJohannesburg nePretoria. Akatora rutivi muHondo yeDiamond HillJune 1900, uye semukuru mukuru weMunted Infantry mukufamba kuenda kuBethlehem neVredefort, mushure mezvo akashanda semukuru webato reIrish brigade nekoramu yaIshe Kitchener mukutsvaga kweBoer general Christiaan de Wet. 