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        J. Edgar Hoover became the acting Director of the Bureau of Investigation (later the FBI) on May 10, 1924, - 
  
  
        Mein Kampf is a 1925 autobiographical and political manifesto by Nazi Party leader Adolf Hitler - 
  
  
        The stock market crash that signaled the start of the Great Depression occurred in late October 1929, with the most significant days of panic selling being Black Thursday - 
  
  
        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 - 
  
  
        Franklin D. Roosevelt was first elected President of the United States on November 8, 1932 - 
  
  
        Adolf Hitler was appointed Chancellor of Germany on January 30, 1933, by President Paul von Hindenburg. This event marked a crucial turning point for Germany, leading to the end of the Weimar Republic and the beginning of the Nazi dictatorship. - 
  
  
        The Civilian Conservation Corps was a voluntary government work relief program that ran from 1933 to 1942 in the United States for unemployed, unmarried men ages 18–25 and eventually expanded to ages 17–28 - 
  
  
        The Works Progress Administration (WPA) was created in 1935 by President Franklin D. Roosevelt as a key part of the New Deal to combat the severe unemployment of the Great Depression - 
  
  
        James J. Braddock won the heavyweight boxing title on June 13, 1935 - 
  
  
        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 Grapes of Wrath is an American realist novel written by John Steinbeck and published in 1939 - 
  
  
        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