Empire state building opens 1931 , may 3 Italain invasion of ethiopia Spanish civil war On July 4, in a speech to supporters in Detroit, W.D. Fard (later known as Wallace Fard Muhammad) announces that he is the Mahdi, the chosen messenger to Muslims, and institutes the Nation of Islam. Charles E. Fuller, perhaps the most popular evangelist to appear on the scene between Billy Sunday and Billy Graham, begins his long-lived radio program The Radio Revival Hour, later called The Old Fashioned Revival Hour. On October 3, 1937, he moves to the Mutual Broadcasting Network, where he developed one of the largest audiences ever for religious programs. cheif of Staff U.S. Army 1930-1935 Douglas McArthur 1935-1939 Malin Craig 1939-1945 Marshall 1945-1948 Eisenhower Cheif of Naval operations 1930-1933 William pratt 1933-1937 William Sandley 1937-1939 William Leahy 1939-1942 Harold Stark 1942-1945 Ernest King 1945-1947 Chester Nimitz Marcus Brody 1931 Director of Special Acquisitions at the American Museum of Natural History in New York City. 1936 curator of the National Museum (fictional). D.C., NYC, Marshal college, Ct.