German forces fought the Allies on both the eastern and western fronts, although German territory itself remained relatively safe from widespread invasion for most of the war, except for a brief period in 1914 when East Prussia was invaded.
Pasukan Jerman melawan Sekutu di front timur dan barat, meskipun wilayah Jerman sendiri relatif aman dari serbuan invasi sebagian besar perang, kecuali untuk periode yang singkat pada tahun 1914 ketika Prusia Timur diserbu.