Assertion: heft | /r/HasProperty | adopted by presidential proclamation
Facets:
value: in 1959
type: TEMPORAL
Source sentences:
text: Heft enlisted the aid of his congressman, Walter Moeller, who lived nearby, and the 50-star flag design that was the same as Heft's was chosen and adopted by presidential proclamation in 1959 after the admission of Alaska into the union and before that of Hawaii.