. "1919" . . . . "55th Australian Infantry Battalion" . . . "55th Battalion (New South Wales Rifle Regiment)" . . . . "1921" . . "~800\u20131,000 menref|During World War I, the authorised strength of an Australian infantry battalion was 1,023 men. By the start of World War II, it was 910 men all ranks, however, later in the war it fell to 803.|group=Note" . "55th Australian Battalion" . . . . "55th Battalion, AIF" . . . . "55th Infantry Battalion" . . . . "1916" . "55th Battalion" . . "Brown beside green" . . . . "1937" . . "1942" . . "55th Battalion (Australia)" . "55th" . "1941" . . "50px" . . "55th Battalion (Australia)" . . . . . "55th Australian Battalions" . . . .