Answer: worldsfair

AnswerCrossword Clue
WORLDSFAIRBilly Graham had his own pavilion there in 1964
WORLDSFAIREuropean tourist attraction, 1958.
WORLDSFAIR1965 attraction.
WORLDSFAIRExposition.
WORLDSFAIRSite of the Trylon and Perisphere: 1939
WORLDSFAIRLondon had the first one in 1851