History of the United Nations in a unique position of global dominance, creating a variety of new problems for the UN (See the United States and the United Nations). In December 1945, the US Senate and the US House of Representatives, by unanimous votes, requested that the UN make its headquarters in the United States. The UN accepted this suggestion and, after considering sites in the Black Hills, Flushing Meadows–Corona Park, Navy Island and what would become the World Trade Center site, constructed the United Nations headquarters building in New York City in 1949 and 1950 beside the East River on land purchased with an
Headquarters of the United Nations which was a gift from the Luxembourg government Other prominent artworks on the grounds include "Peace" - a Marc Chagall stained glass window memorializing the death of Dag Hammarskjöld - the Japanese Peace Bell which is rung on the vernal equinox and the opening of each General Assembly session, a Chinese ivory carving made in 1974 (before the ivory trade was largely banned in 1989), and a Venetian mosaic depicting Norman Rockwell's painting "The Golden Rule". A full-size tapestry copy of Pablo Picasso's "Guernica", by Jacqueline de la Baume Dürrbach, is on the wall of the United Nations building at