1916-17
Enthusiasm faded with the enormous numbers of casualties from the first battles. As the human cost increased during battles at the Marne, Verdun, the Somme, and at Ypres in the west, and in Poland and Galicia in the East, a grimmer and grimmer attitude began to prevail amongst the general population. Morale was helped by victories against Serbia, Greece, Italy, and Russia which made great gains for the Central Powers. Morale was at its greatest since 1914 at the end of 1917 and beginning of 1918 with the defeat of Russia following her rise into revolution, and the German people braced for what Ludendorff said would be the "Peace Offensive" in the west.
Read more about this topic: History Of Germany During World War I