The Encyclopedia Americana, Volume 29

advance Africa aircraft Aisne Allied American April armistice armored Army Group Army Group Center Army Group South artillery attack August Austria-Hungary Austrian Battle became began Britain British Bulgaria campaign captured Central Powers century commander Corps counterattack cruisers defense divisions early east East Prussia eastern Europe Field Marshal Fifth Army fighting flank forces Fourth Panzer Army France French French First Army German Hitler industry invasion islands Italian Italy Japanese July June Lake land later March ment military nations naval neutral Ninth Army November October offensive operations Panzer peace Poland port River Russian Scale of Kilometers Scale of Miles Second Army Sept September Serbia ships southern Soviet submarine tanks Third Army tion treaty troops Turkish United western front Wilson wind wines Wisconsin women wood wool World XXXX