Enlisted at the age of 25
1st ReinforcementsTrained
Avondale, AucklandTransfer to England
Steamship RuapehuMarched in to the Company Training Camp, Falmouth
Embarked for France
The Company joined the underground warfare in the North of France
Admitted to hospital
Rejoined the Company
Granted leave
The Company began the operations to connect old underground quarries in Arras in order to accommodate thousands of soldiers for an upcoming battle
Rejoined the Company
British Offensive
Battle of ArrasThe Company was employed to rebuild a major road leading to the Front during the battle
The Company moved to Monchy, ten kilometres east of Arras, to work on the fortification of the new front line
Admitted to hospital in England with defective vision while on leave
Rejoined the Company
The Company was still carrying out the digging of underground premises and defences on the Front near Arras
Detached to Mine School
Rejoined the Company
German Attacks
Spring OffensiveThe Company was engaged in the defence of Arras by digging new trenches and dug-outs under constant enemy shellfire
Granted leave
Rejoined the Company
Promoted Lance Corporal
Granted leave
Rejoined the Company
Admitted to hospital with influenza
Allied Attacks
Hundred Days OffensiveRejoined the Company
Reverted to Sapper at own request
The Company experienced its newly reconversion in bridge construction
Cessation of Hostilities
ArmisticeThe Company continued to build bridges to reconnect a fragmented territory
Discharged
Embarked for England
Marched in to NZ Sling Camp, Bulford
Transfer to New Zealand
Troopship HororataEnd of Service
DemobilizationAnthony Byledbal, “World War I Timeline of John Kinloch Calder“, New Zealand Tunnellers Website, NaN (2009), Accessed: . URL: www.