Rubuta ci gaba don wannan sakin layi - A matsayin jami'in (rotmistrz) ya yi yaƙi a cikin Yakin Poland-Rasha na 1792
kuma daga baya, a matsayin colonel, a cikin Kościuszko Rising. Tadeusz Kościuszko ya aike shi zuwa Faransa mai juyin juya hali tare da burin samun taimako daga Kwamitin Tsaron Jama'a, buƙatunsa don ƙungiyar masu binciken Faransa ba su da amfani. A karkashin Napoleon, zai zama (a cikin 1797) janar a cikin Sojojin Poland, inda za a kama shi a Siege na Mantua (1799). A matsayin zanga-zangar neman zaman lafiya tsakanin Faransa da Austria, ya koma Poland da aka raba, amma a 1809, tare da Faransa ta sake yin yaƙi da Austria, zai shiga sojojin Poland masu goyon bayan Faransa kuma ya zama janar a cikin Duchy na Warsaw, inda ya kuma zama mataimakin ministan yaƙi. Ya kasance a cikin Duchy a lokacin mamayewar Napoleon na Rasha; bayan haka, a cikin Congress Poland, ya kasance Ministan Yaƙi kuma memba na majalisar dattijai.