<prompt> Pedzisa mutsara unotevera: Musi waAugust 16, 1920, panguva yeHondo yeWarsaw, akapiwa basa semukuru mukuru wePolish 4th Cavalry Brigade, iyo yakazova musimboti weanonzi Nieniewskis Operational Group panguva ye  <response>: Hondo yeRwizi rweNiemen. Mushure mekuguma kwehondo dzePolish-Soviet War, Nieniewski akapedza kudzidza paGenerals Course uye musi waNdira 10, 1921, akasimudzirwa kuva Colonel weCavalry. 