In 1866 the battalion fought for Prussia during the Austro-Prussian War in the Battle of Königgrätz. The 4th Company of the Guards Rifles, under Captain de Gélieu, conquered Austrian batteries near Lipa between Sadová and Königgrätz, as displayed by Christian Sell in a battle painting. During the Franco-Prussian War from 1870 to 1871 the battalion distinguished themselves in the Battles of Gravelotte, Sedan, Le Bourget and during the Siege of Paris.