Timeline of United States history (1930–1949)

This section of the Timeline of United States history concerns events from 1930 to 1949.

1930s

*1931 - Empire State Building opens
*1931 - Japan invades Manchuria
*1932 - Stimson Doctrine
*1932 - Norris-La Guardia Act
*1932 - Bonus Army marches on DC
*1932 - Amelia Earhart flies across Atlantic Ocean
*1932 - Reconstruction Finance Corporation
*1933 - 20th Amendment
*1933 - Franklin Delano Roosevelt becomes President
*1933 - Agricultural Adjustment Act
*1933 - Civil Works Administration
*1933 - Civilian Conservation Corps
*1933 - Farm Credit Administration
*1933 - Home Owners Loan Corporation
*1933 - Tennessee Valley Authority
*1933 - Public Works Administration
*1933 - National (Industrial) Recovery Act
*1933 - Giuseppe Zangara kills Anton Cermak
*1933 - Frances Perkins appointed United States Secretary of Labor
*1933 - Montevideo Conference
*1933 - 21st Amendment
*1933 - Japan and Germany withdraw from League of Nations
*1933 - Good Neighbor Policy announced
*1934 - Glass-Steagal Act
*1934 - U.S. Securities and Exchange Commission
*1934 - Dust Bowl begins
*1934 - Federal Housing Administration
*1934 - Johnson Act
*1934 - Reciprocal Trade Agreements Act
*1934 - Tydings-McDuffie Act
*1934 - John Dillinger killed
*1934 - Indian Reorganization Act
*1934 - Share the Wealth society founded by Huey Long
*1935 - Works Progress Administration
*1935 - Neutrality Act
*1935 - Motor Carrier Act
*1935 - Social Security Act
*1935 - Schechter Poultry Corporation v. US
*1935 - National Labor Relations Act
*1935 - Huey Long assassinated
*1935 - Congress of Industrial Organizations formed
*1935 - Alcoholics Anonymous founded
*1935 - Revenue Act
*1936 - Robinson Patman Act
*1936 - Life Magazine begins
*1936 - Butler v. US
*1936 - London Conference on disarmament
*1937 - Neutrality Acts
*1937 - Hindenburg disaster
*1937 - Japanese planes sink Panay in China
*1937 - Golden Gate Bridge completed
*1938 - Wheeler Lea Act
*1938 - Fair Labor Standards Act
*1939 - Hatch Act
*1938 - Orson Welles' "The War of the Worlds" broadcast
*1939 - Germany invades Poland; World War II begins
*1939 - Cash and Carry

1940s

*1940 - Selective Service Act
*1940 - Alien Registration (Smith) Act
*1941 - Lend Lease Act
*1941 - Attack on Pearl Harbor
*1941 - U.S. enters World War II
*1941 - Atlantic Charter
*1941 - Japanese-American internment begins
*1942 - Office of Price Administration
*1942 - Cocoanut Grove fire
*1942 - Congress of Racial Equality
*1942 - Revenue Act of 1942
*1942 - U.S.-controlled Commonwealth of the Philippines conquered by Japanese forces
*1943 - Office of Price Administration established
*1943 - Detroit, Michigan race riots
*1943 - Cairo Conference
*1943 - Casablanca Conference
*1943 - Tehran Conference
*1944 - Dumbarton Oaks Conference
*1944 - GI Bill of Rights
*1944 - D-Day
*1944 - Bretton Woods Conference
*1944 - Battle of the Bulge
*1945 - Yalta Conference
*1945 - U.S. takes Okinawa
*1945 - U.S. joins the United Nations
*1945 - Nationwide labor strikes due to inflation; OPA disbanded
*1945 - Franklin Delano Roosevelt dies
*1945 - Harry S. Truman becomes President
*1945 - Germany surrenders
*1945 - Potsdam Conference
*1945 - atomic bomb dropped on Hiroshima and Nagasaki
*1945 - Japan surrenders, ending World War II
*1946 - Winston Churchill's Iron Curtain speech
*1946 - Benjamin Spock's "Child Care" book published
*1946 - Employment Act
*1946 - Atomic Energy Act
*1946 - Civil Rights Commission
*1946 - Philippines regain their independence from the U.S.
*1947 - Presidential Succession Act
*1947 - Taft Hartley Act
*1947 - U.F.O. crash at Roswell, New Mexico
*1947 - National Security Act
*1947 - General Agreement on Tariffs and Trade
*1947 - The Marshall Plan
*1947 - Polaroid Camera invented
*1947 - Truman Doctrine
*1947 - Federal Employee Loyalty Program
*1947 - Jackie Robinson breaks color barrier in baseball
*1948 - Berlin Blockade
*1948 - Election of 1948: Truman defeats Dewey
*1948 - Truman desegregates armed forces
*1948 - Selective Service Act: Passed after first such act expired
*1948 - Organization of American States: Alliance of North America and South America
*1948 - Alger Hiss Case
*1948 - Nuremberg trials
*1949 - North Atlantic Treaty Organisation (NATO) formed
*1949 - In China, Communists under Mao Zedong force Chiang Kai-shek's KMT government to retreat to Taiwan
*1949 - Soviet Union tests its first atomic bomb
*1949 - Department of War becomes Department of Defense
*1949 - Germany divided into East and West
*1949 - Truman attempts to continue FDR's legacy with his Fair Deal, but most acts don't pass

timeline
before=1900-1929
title=Timeline of United States history
years=1930–1949
after=1950-1969