 Nyora kupfuurira kweiyi ndima - Muna 1789, Lefebvre akanga ari musoja muGardes Françaises. Pashure pokuparadzwa kwaro, akanyoresa muNational Guard, uko akagamuchira maronda achidzivirira Mhuri youmambo kubva kumhomho yakatsamwa, pashure pacho akabatana neshanduko. Akakwidziridzwa kuva brigadier general muna 1793, akatora chikamu muHondo yeFleurus 24 June 1794. Mushure mekufa kwaGeneral Louis Lazare Hoche akaraira Hondo yeSambre-et-Meuse Gunyana 1797. Akabva atanga kutungamirira uto reDanubepasi paJourdan muna Kurume 1799, kunyange zvazvo kwevhiki yekutanga yemushandirapamwe akanga asisakwanisi ne ringworm uye Dominique Vandamme akamutsiva kwenguva pfupi. Gare gare akakuvadzwa muhondo yeOstrach apo Advance Guard yakatakura mutoro wekutanga wekurwa. Muna November 1799, Lefebvre akatungamirira mauto eParis uye akabvuma kutsigira Napoleon Bonaparte mukuputsa kwake hurumende. Muna 1800, Bonaparte akamugadza kuva seneta. 