Assertion: disposable diaper | /r/HasProperty | developed in the united states
Facets:
value: during the decades of the 1930s
type: TEMPORAL
value: simultaneously
type: MANNER
value: through the early 1950s
type: TEMPORAL
Source sentences:
text: Disposable diapers were developed simultaneously in Europe and the United States during the decades of the 1930s through the early 1950s.