1921-1941 By JeffLink 1921 Washington Naval Conference 1924 Revenue Act 1927 Lindbergh flies over the Atlantic 1929 Crash of the stock market 1932 Franklin Roosevelt becomes president 1933 Hitler rises to power 1933 Prohibition is repealed 1934 Gold Standard is cancelled 1935 Social Security Act 1936 Franklin Roosevelt is reelected 1937 Japan attacks China 1938 WWII officially begins 1939 Germany attacks Austria