Military mobilisation during the Hundred Days

Military mobilisation
Part of the Hundred Days
Strategic situation in Western Europe in June 1815
Date 18 June – 7 July 1815 (2 weeks and 5 days) Location Western Europe
Belligerents
France	Seventh Coalition:  United Kingdom  Netherlands Hanover  Nassau Brunswick  Prussia  Austria  Russia  Sardinia Switzerland French royalists
Commanders and leaders
Napoleon Bonaparte Marquis de Grouchy Marshal Soult Marshal Davout all at different times commander of L'Armée du Nord Jean Rapp (Armée du Rhin) Suchet, Duc d'Albuféra (Armée des Alpes) Claude Lecourbe (Armée du Jura) Guillaume Brune Armée du Var Charles Decaen and Bertrand, comte Clausel (Armies of the Pyrenees east and west) Jean Lamarque (Armée de l'Ouest — Vendée and Loire)	Duke of Wellington (Anglo-allied) Gebhard von Blücher (Prussian) Prince of Schwarzenberg (Upper Rhine), Duke of Casalanza (Upper Italy), Johann Frimont (Naples) Michael Andreas Barclay de Tolly (Russia) von Hake

During the Hundred Days of 1815, both the Coalition nations and the First French Empire of Napoleon Bonaparte mobilised for war. This article describes the deployment of forces in early June 1815 just before the start of the Waterloo Campaign and the minor campaigns of 1815.