<prompt> Qedela lo musho olandelayo: Impi yase-Obuchowo yenzeka ngo-September 26, 1920, phakathi neMpi yasePoland neSoviet. I-Polish 4th Podhale Rifles Regiment, eyayiholwa uColonel Mieczysław Boruta-Spiechowicz, yahlangana nama-subunits we-Red Armys 5th, 6th kanye ne-56th Rifle Divisions. Le mpi, eyenzeka edolobhaneni lase-Obuchowo, eliseduze naseGrodno, ibhekwa njengengxenye yempi enkulu kakhulu  <response>: Impi Yomfula iNiemen. 