1st Brigade (Australia)
1st Division (Australia)
1st Health Battalion (Australia)
1st Armoured Division (Australia)
1st Parachute Battalion (Australia)
1st Motor Brigade (Australia)
1st Battalion (Australia)
1st Royal New South Wales Lancers
1st Armoured Brigade (Australia)
2/1st Battalion (Australia)
1st Regiment, Royal Australian Artillery
1st Armoured Car Squadron (Australia)
1st Armoured Regiment (Australia)
1st Light Car Patrol (Australia)
1st Australian Horse
1st Light Horse Brigade
1st Independent Company (Australia)
3rd Armoured Division (Australia)
1st Siege Artillery Battery (Australia)
1st Australian Wireless Signal Squadron
1st Aviation Regiment (Australia)
1st Field Artillery Battery (Australia)
1st Australian Logistic Support Group
2/1st Medium Regiment (Australia)
List of Australian Army medical units in World War I
1st Heavy Artillery Battery (Australia)
First Australian Imperial Force
First Australian Army
1st Commando Regiment (Australia)
1st Intelligence Battalion (Australia)
1st Pioneer Battalion (Australia)
2/1st Field Regiment (Australia)
Australian Cycling Corps
1st/15th Royal New South Wales Lancers
2/1st Pioneer Battalion (Australia)
1st Mountain Battery (Australia)
1st Battalion, Royal Australian Regiment
1st Military District (Australia)
1st Machine Gun Battalion (Australia)
1st Combat Engineer Regiment (Australia)
2/1st Machine Gun Battalion (Australia)
2/1st Anti-Tank Regiment (Australia)
1st Tank Section (Australia)
1st Australian Tunnelling Company
1st Support Group (Australia)
1st Australian Support Compound
1st Light Tank Company (Australia)
1st Armoured Personnel Carrier Squadron (Australia)
Australian 1st Division (disambiguation)
1st Australian Task Force
1st Australian Civil Affairs Unit
2/1st North Australia Observer Unit
Army Recruit Training Centre
Australian Naval and Military Expeditionary Force
Royal Australian Naval Bridging Train
1st Annual Australian International Jazz Festival
Sir John Fuller, 1st Baronet
Members of the Australian House of Representatives, 1901–1903
John Hamilton
Major (rank)