Whakaotihia te rerenga e whai ake nei: I te Akuhata 16, 1920, i te Pakanga o Warsaw, i whakawhiwhia ia hei rangatira rangatira mo te Polani 4th Cavalry Brigade, i muri mai ka waiho hei matua o te "Nieniewski's Operational Group" i te wa o te
Te Pakanga o te Awa o Niemen. Whai muri i te mutunga o nga pakanga o te Pakanga Polish-Soviet, i mutu a Nieniewski i te Kura o nga Tiamana, a i te Hanuere 10, 1921, i whakatairangahia ia hei Koronela o te Kaitautoko.