A career soldier, during World War One, he served in the Austro-Hungarian Army.

Entity and relation annotations:
id: 0
type: entity
value: text: during World War One
labels: <Date>
id: 1
type: entity
value: text: World War One
labels: <Event>
id: 2
type: entity
value: text: the Austro-Hungarian Army
labels: <Organization>
type: relation
to_id: 1
labels: Organization:Engagement:Event
from_id: 2