Rubuta ci gaba don wannan sakin layi - 'Yan Australiya sun yi hunturu a Belgium a lokacin da suka dauki manyan ayyukan karewa yayin da suke riƙe da matsayi daban-daban tare da layin, amma a farkon 1918 an tura su kudu zuwa kwarin Somme. Bayan rugujewar Tsarist Rasha a ƙarshen 1917, Jamusawa sun sami damar canja wurin kayan aiki da dakarun mutane da yawa daga Gabas ta Gabas zuwa Yammacin Yammacin kuma daga baya suka kaddamar da hare-haren Spring a watan Maris. Faduwa a kudancin kudancin yankin da sojojin Birtaniya na uku da na biyar suka gudanar, da farko sun yi nasara wajen fitar da Allies baya kuma a karshen watan Maris, yayin da Jamusawa suka kusanci kan hanyar jirgin kasa mai mahimmanci a kusa da Amiens, ƙungiyoyi biyar na Australiya, waɗanda aka haɗu tare a matsayin wani ɓangare na Rundunar Australiya, an canja su zuwa Somme don taimakawa wajen kai hare-haren. Rukunin na 4 ya dauki matsayi a kusa da Dernancourt, tare da Kogin Ancre, kuma a ranar 5 ga Afrilu ya taka muhimmiyar rawa wajen kawar da harin Jamus a can a lokacin Yaƙin Na Biyu na Dernancourt, inda a cikin kalmomin marubucin Chris Coulthard-Clark, Rukunin na 4 "ya fuskanci mafi girman harin da aka kai wa 'yan Australia a lokacin yakin". A nasu bangaren, Bataliya ta 49, wacce wani bangare na 45 ya goyi bayanta, sun kai wani muhimmin hari a ƙarshen rana a cikin ruwan sama mai ƙarfi, wanda ya ceci halin da ake ciki ga Ostiraliya, wanda layinsa ya shiga ta hanyar kai hari a kan hanyar jirgin ƙasa a yammacin garin; a yin haka sun sha wahala sosai, duk da haka, sun rasa jami'ai 14 da sauran darajoji 207. Daga baya a cikin watan, sun shiga cikin yakin na biyu na Villers-Bretonneux
, ya kaddamar da harin Anzac Day wanda ya samu nasarar dawo da garin, wanda aka rasa a ranar da ta gabata bayan harin da rundunonin Jamus hudu suka kai.