Assertion: new skyscraper | /r/HasProperty | built
Facets:
value: during the 1960s
type: TEMPORAL
Source sentences:
text: During the 1960s, at least 40 new skyscrapers were built, and the Hartford Building (1965), 44 Montgomery (1967), Bank of America Center (1969), and Transamerica Pyramid (1972) each, in turn, took the title of tallest building in California upon completion.