Big Apple
"Big Apple" is a nickname for New York City. It was first popularized in the 1920s by John J. Fitz Gerald, a sports writer for the "New York Morning Telegraph". Its popularity since the 1970s is due in part to a promotional campaign by the New York tourist authorities.
List of cities nicknamed by Americans after fruits
Ostensibly, the first was Big Apple, from which the others have been deemed in popular culture. (American) Note for international cities, these terms are English language exonyms, and may not jibe with locals if referring to a foreign city, but often associated with backpackers, and/or expats and tourists.