New Zealand

The Otago Infantry Regiment, NZEF

formed from
4th (Otago Rifles) Regiment
and
8th (Southland Rifles) Regiment
and
10th (North Otago) Regiment
and
14th (South Otago Rifles) Regiment
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1914: The Otago Battalion, NZEF
1916: 1st Battalion,
2nd Battalion,
1917:

3rd Battalion,
The Otago Infantry Regiment, NZEF
OtagoIR-B1
OtagoIR-B2
OtagoIR-B3
1919: disbanded disbanded disbanded