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        J. Edgar Hoover became the acting Director of the Bureau of Investigation (later the FBI) on May 10, 1924, and was appointed Director by President Calvin Coolidge later that year. He was appointed to professionalize the bureau, which was then a small organization with only about 650 employees. - 
  
  
        Mein Kampf is a 1925 autobiographical and political manifesto by Nazi Party leader Adolf Hitler. The book outlines many of Hitler's political beliefs - 
  
  
        stock market crash of 1929, a sharp decline in U.S. stock market values in 1929 that contributed to the Great Depression of the 1930s. The Great Depression lasted approximately 10 years and affected both industrialized and nonindustrialized countries in many parts of the world. - 
  
  
        The persistent dry weather caused crops to fail, leaving the plowed fields exposed to wind erosion. The Great Plains' fine soil eroded easily and was carried east by strong continental winds. The first recorded dust storm occurred on September 14, 1930. - 
  
  
        Adolf Hitler was appointed chancellor of Germany in 1933 following a series of electoral victories by the Nazi Party. He ruled absolutely until his death by suicide in April 1945. - 
  
  
        Franklin D. Roosevelt was first elected President of the United States on November 8, 1932, defeating incumbent Herbert Hoover. His first inauguration took place on March 4, 1933, at the height of the Great Depression. His election was part of a Democratic sweep that also gave his party majorities in both the House and the Senate - 
  
  
        The Civilian Conservation Corps (CCC) was a voluntary government work relief program that ran from 1933 to 1942 in the United States for unemployed, unmarried People - 
  
  
        It was set up on May 6, 1935, by presidential order, as a key part of the Second New Deal. Works Progress Administration. Agency overview. Formed, May 6, 1935 - 
  
  
        James J. Braddock won the heavyweight boxing title on June 13, 1935, by defeating the reigning champion, Max Baer, in a 15-round unanimous decision. The victory was considered a major upset, earning Braddock the nickname "The Cinderella Man" from columnist Damon Runyon - 
  
  
        Berlin hosted the 1936 Summer Olympics, officially known as the Games of the XI Olympiad. The event is historically significant for being used as a propaganda tool by the Nazi regime, which temporarily eased anti-Semitic measures to present a false image of tolerance. A major athletic highlight was the performance of African-American athlete Jesse Owens, who won four gold medals and countered the Nazi ideology of Aryan superiority - 
  
  
        On November 9–10, 1938, the Nazi regime coordinated an antisemitic riot, called Kristallnacht, the Night of Broken Glass - 
  
  
        The Grapes of Wrath is an American realist novel written by John Steinbeck and published in 1939. The book won the National Book Award and Pulitzer Prize for fiction, and it was cited prominently when Steinbeck was awarded the Nobel Prize in Literature in 1962. - 
  
  
        The Wizard of Oz” premiered on 15 August 1939 at Grauman's Chinese Theatre, later premiered in New York, and opened across the country on August 25th. But the GATEWAY Theatre in Kenosha premiered it before them all. - 
  
  
        The German invasion began on 1 September 1939, one week after the signing of the Molotov–Ribbentrop Pact between Germany and the Soviet Union. - 
  
  
        The "Four Freedoms" speech was a 1941 address by U.S. President Franklin D. Roosevelt that articulated four fundamental freedoms for which the United States would support its allies in World War II:. The speech and its themes were influential, inspiring the Atlantic Charter, the United Nations, and the Universal Declaration of Human Rights.