Prior even to Eloise establishing the Plaza Hotel as her stomping grounds, the New York staple has played host to many famous guests, parties, and movie sets since the turn of the 20th century. From its humble beginnings on 57th to its opulent status on Fifth Avenue, the well-known establishment has seen its fair share of change. Click through for a look back at the major moments, famous faces, and glamorous events that have shaped this iconic hotel.

[Mia Farrow, Frank Sinatra via Twitter]