Nyorai kuenderera mberi kweiyi ndima - SaGavhuna-Mukuru akatungamira mauto eSweden muna 1675/76 kurwisa mauto akabatana eGerman panguva yeBremen-Verden Campaign, asi pakupedzisira aifanira kuzvipira. Akapihwa kutungamira kweRoyal Swedish Navy muna 1677 uye akaitwa nhengo yePrivy Council yeSweden ("riksråd"). Mugore iroro, akakundwa neDenmark muHondo yeKøge Bay
panguva yeHondo yeScanian. Akagadzwa kuva mukuru weCollege of Amiralities muna 1677. Muna 1678, akagadzwa kuva Mutungamiriri Mukuru weLivonia iyo yaiva nzvimbo yeumambo hweSweden kubva muna 1629 kusvika muna 1721. Muna 1680, Horn akasiya Livonia ndokudzokera kunobatsira kuvakazve Stade iyo yakanga yakakomberedzwa muna 1676 panguva yeHondo yeSweden-Brandenburg.