Assertion: nobility's title | /r/HasProperty | granted for first time
Facets:
value: in 1415
type: TEMPORAL
value: in portugal
type: LOCATION
Source sentences:
text: In Portugal, the title of Duke was granted for the first time in 1415 to infante Peter and infante Henry, the second and third sons of king John I, following their participation in the successful Conquest of Ceuta.