Assertion: mambo dance | /r/HasProperty | popularised in late 1960s
Facets:
value: into the 1970s
type: TEMPORAL
value: by george vascones
type: OTHER
Source sentences:
text: The modern mambo dance from New York was popularised in the late 1960s into the 1970s by George Vascones, president of a dance group known as the Latin Symbolics, from the Bronx, New York.