← 1797 1796 1795 1798 in Belgium → 1799 1800 1801
Decades:
See also:	Other events of 1798 List of years in Belgium

Events in the year 1798 in the Belgian Departments of France. The French First Republic had annexed the Austrian Netherlands and Prince-bishopric of Liège (predecessor states of modern Belgium) in 1795 and had reorganised the territory as the nine departments Dyle, Escaut (department), Forêts, Jemmape, Lys, Meuse-Inférieure, Deux-Nèthes, Ourthe, and Sambre-et-Meuse.^[1]

The year 1798 corresponds to the period from 12 Nivôse of Year VI to 11 Nivôse of Year VII in the French Republican Calendar.

Directors – Paul Barras, Louis Marie de La Révellière-Lépeaux, Jean-François Rewbell, Philippe-Antoine Merlin de Douai, François de Neufchâteau (until 20 May), Jean Baptiste Treilhard (from 20 May)

• Over the course of the year Lieven Bauwens made numerous trips to England, smuggling out spinning machinery a piece at a time.

September

• 5 September – French legislature passes Law of 19 Fructidor, Year VI instituting universal conscription of all unmarried men aged 20 to 25.

October

• 12 October – beginning of the Peasants' War (Boerenkrijg) in Flanders and Brabant.
• 22 October – short-lived liberation of Mechelen from French rule.
• 24 October – attempted British landing at Blankenberge fails.

December

• 5 December – Decisive defeat of Peasant Army near Hasselt.

• Charles Oudiette, Le Département de la Dyle, ou Première partie du dictionnaire géographique et topographique, des neuf départemens de la Belgique (Brussels, Armand Gaborria, 1798)^[2]

• 24 June – Maria Christina, Duchess of Teschen (born 1742), former governess general of the Austrian Netherlands
• 21 August – Cornelius Franciscus Nelis (born 1736), bishop of Antwerp.^[3]