Mezue ahịrịokwu na-esonụ: Mgbe Agha Ụwa Mbụ tiwapụrụ, n'August 20, 1914, ọ ga-esonye n'Òtù Ndị Agha Poland. Ọ ga-eje ozi na 3rd Brigade, 3rd na 4th infantry regiments. Ọ ga-esonye na mkpọsa Carpathian na Agha nke Mołotków ma n'oge a, ọ ga-agụsị akwụkwọ na ụlọ akwụkwọ cadet. A ga-emerụ ya ahụ nke ukwuu na 31 August 1915 na
Agha nke Jastków. Ka oge na-aga, a ga-akwalite ya n'ọkwa nke ensign ma mesịa kwalite ya ọzọ n'ọkwa nke abụọ na ọ ga-esonye na mkpọsa nke Volhynian. E merụrụ ya ahụ ọzọ n'agha nke Rudka Miryńska na 1916. N'oge nsogbu iyi nke afọ 1917 ọ ga-anọ ụbọchị anọ n'ụlọ mkpọrọ. Ọ ga-emecha rụọ ọrụ na Polish Military Organisation.