Nyora kupfuurira kweiyi ndima - Musi waAugust 16, 1920, panguva yeHondo yeWarsaw, akagadzwa semukuru mukuru wePoland 4th Cavalry Brigade, iyo yakazove musimboti weanonzi "Nieniewski's Operational Group" panguva yeHondo yeRwizi rweNiemen
. Mushure mekuguma kwehondo dzePolish-Soviet War, Nieniewski akapedza kudzidza paGeneral's Course uye musi waNdira 10, 1921, akasimudzirwa kuva Colonel weCavalry.