Assertion: heft's flag | /r/HasProperty | flown for first time
Facets:
value: in 1959
type: TEMPORAL
value: in 1960
type: TEMPORAL
value: respectively
type: MANNER
value: at fort mchenry on independence day
type: TEMPORAL
Source sentences:
text: The 49- and 50-star flags were each flown for the first time at Fort McHenry on Independence Day, in 1959 and 1960 respectively.