He was present in Rome during the whole period of the First Vatican Council.

Entity and relation annotations:
id: 0
type: entity
value: text: Rome
labels: <Location>
id: 1
type: entity
value: text: the First Vatican Council
labels: <Event>
id: 2
type: entity
value: text: Vatican
labels: <Location>
type: relation
to_id: 2
labels: Event:Occurs_at:Location
from_id: 1