Whakaotihia te rerenga e whai ake nei: I muri i te pakarutanga o te Pakanga Tuatahi o te Ao, i te 20 o Akuhata 1914, ka uru ia ki nga Rōpū o Polani. Ka mahi ia ki te 3rd Brigade, 3rd me te 4th regiments. Ka uru ia ki te pakanga Carpathian me te Pakanga o Mołotków a i tenei wa ka mutu ia i te kura cadet. Ka whara kino ia i te 31 o Akuhata 1915 i te
Te Pakanga o Jastków. I muri mai ka whakatairangahia ia ki te taumata o te kaitiaki, katahi ka whakatairangahia ano ia ki te tuarua o nga kaitiaki, ka uru ia ki te pakanga Volhynian. I whara ano ia i te Pakanga o Rudka Miryńska i te tau 1916. I te wā o te Oath Crisis o te tau 1917 ka noho ia ki te whare herehere mō ngā rā e whā. I muri mai ka kaha ia ki te whakahaere i te Polish Military Organisation.