The Metropolitan Fair was a public event organized in the Metropolitan City of New York by the United States Sanitary Commission to raise funds and supplies for the Union Army during the American Civil War, (from 1861 to 1865).The first Metropolitan Fair was announced by the New York Times on January 1, 1864 and to be held on March 28th of that year However, the event was postponed until the 4th of April and it resulted in the largest Sanitary Fair ever which raised over a million dollars for the Union cause.