Marble House includes Marble House and many other historic Newport mansions, was added to the Register on December 8, 1972 and subsequently designated as a National Historic Landmark District on May 11, 1976. Marble House is one of the earliest examples of Beaux-Arts architecture in the United States, with design inspiration from the Petit Trianon at the Palace of Versailles. Jules Allard and Sons of Paris, first hired by the Vanderbilts to design some of the interiors for their Petit Chateau on Fifth Avenue in Manhattan, designed the French-inspired interiors of Marble House. The grounds were designed by landscape architect Ernest W.
Trianon (sorority) traditions to carry on through the years. O, Trianon, in you we do believe. (Trianon Key) The pledge pin ""is of royal blue equilateral triangle each side of which forms part of the base of a gold obtuse angled triangle. This pin is symbolical of the three founding units of the national organization. The blue is for loyalty to school and all things true, and gold is for golden deeds"". (Trianon Key) The membership pin ""is a yellow gold chevron-like base supporting a cluster of peaks upon which the letter T is superimposed. It may be plain or jeweled as