The Four Hundred was a list of New York society during the Gilded Age, a group that was led by Caroline Schermerhorn Astor, the "Mrs. Astor", for many years. After her death, her role in society was filled by three women: Mamie Fish, Theresa Fair Oelrichs, and Alva Belmont, known as the "triumvirate" of American society.
On February 16, 1892, The New York Times published the "official" list of those included in the Four Hundred as dictated by social arbiter Ward McAllister, Astor's friend and confidant, in response to lists proffered by others, and after years of clamoring by the press to know who was on it.
History
In the decades following the American Civil War, the population of New York City grew almost exponentially, and immigrants and wealthy arrivistes from the Midwestern United States began challenging the dominance of the old New York Establishment. Aided by McAllister, Astor attempted to codify proper behavior and etiquette, as well as determine who was acceptable among the arrivistes, as champions of old money and tradition.
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