Assertion: debutante's ball | /r/HasProperty | broadcast on ksd-tv
Facets:
value: in 1949
type: TEMPORAL
value: for the first time
type: OTHER
Source sentences:
text: In 1949, for the first time, the ball was broadcast on KSD-TV (now KSDK), and the station estimated that more than 80% of area viewers tuned in.