What was the highest grossing movie from 1964?

Back in 1964, some 60 years ago, you could fill up your gigantic car for about 25 cents a gallon, rent a 2-bedroom apartment in Manhattan for $250 a month, and see a movie for less than $2 per ticket.

With the world on the cusp of space travel, the movie industry was in full swing. From Elvis to James Bond to dark comedies, genres were expanding and film technology was booming.

At the end of 1964, if you had been to the movies even once, there was a good chance you would have seen this movie that dominated the year's box office. Which movie was it?

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