claim: Vatican City was brought into being by the Lateran Treaty.
evidence: Morton F. Plant House may refer to either of two mansions on Fifth Avenue in New York City built for Morton F. Plant .. Fifth Avenue. Fifth Avenue. New York. New York ( state ). New York City. New York City. The first , at 52nd Street , was completed in 1905 and is now also known as the Cartier Building .. 52nd Street. 52nd Street. The second , at 86th Street , was built in 1916 and is now demolished .. 86th Street. 86th Street ( Manhattan ). The 52nd Street building was designated a New York City Landmark on .. New York. New York ( state ). New York City. New York City. 52nd Street. 52nd Street. New York City Landmark. List of New York City Designated Landmarks in Manhattan from 14th to 59th Streets