Mezue ahịrịokwu na-esonụ: Vandamme banyere n'òtù ndị agha na 1786 ma rịgoro n'ọkwá n'ike n'ike. Na mmalite nke French Revolutionary Wars na 1793 ọ bụ Brigadier General. O jere ozi na ọkwa a na mkpọsa nke 1794 na Low Countries, 1795 na Rhine na 1796 na Germany. A kpụpụrụ ya n'ụlọikpe ndị agha maka ịpụnara mmadụ ihe ma chụọ ya n'ọrụ. Mgbe e weghachiri ya, ọ lụrụ ọgụ na Agha nke Mbụ nke Stockach na 25 Machị 1799, mana nghọtahie ya na General Jean Moreau mere ka ezigara ya ọrụ ọrụ na Holland. Na
Agha nke Austerlitz na 1805 o duziri ngalaba ya, n'akụkụ Gen. St. Hilaire, dịka akụkụ nke Marshal Soult's IV Corps na ebubo nke weghaara Pratzen Heights. N'ihi onye ndu ya, e nyere ya nnukwu ugo nke Legion of Honour.