| Service number | 221 |
|---|---|
| Final Rank | Private |
| Unit | 27th Australian Infantry Battalion |
| Conflict/Operation | First World War, 1914-1918 |
Private John Thomas O'Brien
Rolls
-
First World War Nominal Roll:
- Unit
- 27th Australian Infantry Battalion
- Conflict
- First World War, 1914-1918
- Rank
- Private
Timeline
| Date of enlistment | 31 May 1915 | |
|---|---|---|
| Date returned to Australia | 19 April 1919 |