During the Austro-Prussian War, Glümer was appointed major general and led a brigade of General von Bayer's division in the Main Army Association, which took part in the battles in Hammelburg, Helmstadt, Roßbrunn and Würzburg. After the campaign, Glümer became the commander of the 32nd Infantry Brigade in Trier and took command of the 13th Division on July 18, 1870 .