Jacques Desjardin or Jacques Jardin or Jacques Desjardins; enlisted in the French royal army as a young man and eventually became a sergeant. During the first years of the French Revolutionary Wars he enjoyed very rapid promotion to the rank of general officer in the army of the French First Republic. In May and June 1794 he emerged as co-commander of an army that tried three times to cross the Sambre at Grandreng, Erquelinnes and Gosselies and each time was thrown back by the Coalition. After that, he reverted to a division commander and saw more service in the north of France, Belgium, and the Netherlands. In the campaign of 1805, he led an infantry division under Marshal Pierre Augereau in Emperor Napoleon's Grande Armée and saw limited fighting. In 1806 he fought at Jena, Czarnowo and Gołymin. He was mortally wounded at the Battle of Eylau on 8 February 1807 and died three days later. His surname is one of the names inscribed under the Arc de Triomphe, on Column 16.

The siege of Luxembourg was a siege by France of the Habsburg-held Fortress of Luxembourg that lasted from 1794 until 7 June 1795, during the French Revolutionary Wars. Although the French army failed to breach the walls of the city, which were renowned as amongst the best in the world, the fortress was forced to surrender after more than seven months.