In October 1926, Queen Marie of Romania stayed at the hotel. The Royal Suite of 11 rooms on the seventh floor to be occupied by Queen Marie and her entourage of 19 has a history. Among the world-famous people who have occupied the suite are President and Mrs. Calvin Coolidge, Cardinal Mercier of Belgium, President and Mrs. Woodrow Wilson, Marshal Joffre, General John J. Pershing, President and Mrs. Warren G. Harding, a brother of the Emperor of Japan, Sir Esme Howard, Ambassador Jules Jusserand, and Ambassador Auckland Geddes.