What major event in American history happened in the same year that The Wizard of Oz was released?

Answer 1

A number of major events happened in 1939. On February 27, the Supreme Court declared sit-down strikes illegal. On April 9, Marian Anderson [February 27, 1897-April 8, 1993] sang before an audience of 75,000+ at the Lincoln Memorial in Washington, D.C. Despite being a singer of worldwide esteem, she previously had been denied access to Constitution Hall by the Daughters of the American Revolution, and to a high school in the nation's capital. On April 20, Eleanora Fagan ka Billie Holiday [April 7, 1915-July 17, 1959] recorded 'Strange Fruit', which was the first song to oppose lynchings. On April 30, the World's Fair opened in New York City, New York. On May 2, Lou Gehrig ended his record-breaking most consecutively played baseball games. Over a 14 year period beginning in 1925, Gehrig had played 2,130 games straight in a row. On June 4, Florida refused entry of the S.S. St. Louis into the United States of America and denied permission for the ship's 907 Jewish refugees to land. The refugees were sent back to certain death in the Nazi concentration camps of Europe. On August 2, Albert Einstein [March 14, 1879-April 18, 1955] urged President Franklin Delano Roosevelt [January 30, 1882-April 12, 1945] to support the making of the atomic bomb through use of uranium. The consequence was the founding of the Manhattan Project. On September 5, the U.S. declared its neutrality in the launching of World War II with the invasion of Poland by Germany four days earlier. On November 4, the U.S. Customs Service announced national intentions to respect the Neutrality Act of 1937 by selling weapons on a cash-and-carry basis to non-belligerent nations.