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1930s

Decade of the Gregorian calendar (1930–1939)

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  • 7 chapters
A montage of notable events in the 1930s.
A work by User:CatJar , from a variety of images credited above. · CC BY-SA 3.0

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The decade was defined by a global economic and political crisis that culminated in the Second World War. It saw the collapse of the international financial system, beginning with the Wall Street crash of 1929, the largest stock market crash in American history. The subsequent economic downfall, called the Great Depression, had traumatic social effects worldwide, leading to widespread poverty and unemployment, especially in the economic superpower of the United States and in Germany, which was already struggling with the payment of reparations for the First World War. The Dust Bowl in the United States (which led to the nickname the "Dirty Thirties") exacerbated the scarcity of wealth. U.S. President Franklin D. Roosevelt, who took office in 1933, introduced a program of broad-scale social reforms and stimulus plans called the New Deal in response to the crisis. The Soviet Union's second five-year plan gave heavy industry top priority, putting the Soviet Union not far behind Germany as one of the major steel-producing countries of the world, while also improving communications. First-wave feminism made advances, with women gaining the right to vote in South Africa (1930, whites only), Brazil (1933), and Cuba (1933). Following the rise of Adolf Hitler and the emergence of the NSDAP as the country's sole legal party in 1933, Germany imposed a series of laws which discriminated against Jews and other ethnic minorities.

Germany adopted an aggressive foreign policy, remilitarizing the Rhineland (1936), annexing Austria (1938) and the Sudetenland (1938), before invading Poland (1939) and starting World War II near the end of the decade. Italy likewise continued its already aggressive foreign policy, defeating the Libyan resistance (1932) before invading Ethiopia (1935) and then Albania (1939). Both Germany and Italy became involved in the Spanish Civil War, supporting the eventually victorious Nationalists led by Francisco Franco against the Republicans, who were in turn supported by the Soviet Union. The Chinese Civil War was halted due to the need to confront Japanese imperial ambitions, with the Kuomintang and the Chinese Communist Party forming a Second United Front to fight Japan in the Second Sino-Japanese War. Lesser conflicts included interstate wars such as the Colombia–Peru War (1932–1933), the Chaco War (1932–1935) and the Saudi–Yemeni War (1934), as well as internal conflicts in Brazil (1932), Ecuador (1932), El Salvador (1932), Austria (1934) and British Palestine (1936–1939).

Severe famine took place in the major grain-producing areas of the Soviet Union between 1930 and 1933, leading to 5.7 to 8.7 million deaths. Major contributing factors to the famine include: the forced collectivization in the Soviet Union of agriculture as a part of the First Five-Year Plan, forced grain procurement, combined with rapid industrialization, a decreasing agricultural workforce, and several severe droughts. A famine of similar scope also took place in China from 1936 to 1937, killing 5 million people. The 1931 China floods caused 422,499–4,000,000 deaths. Major earthquakes of this decade include the 1935 Quetta earthquake (30,000–60,000 deaths) and the 1939 Erzincan earthquake (32,700–32,968 deaths).

With the advent of sound film in 1927, the musical—the genre best placed to showcase the new technology—took over as the most popular type of film with audiences, with the animated musical fantasy film Snow White and the Seven Dwarfs (1937) becoming the highest-grossing film of this decade in terms of gross rentals. In terms of distributor rentals, Gone with the Wind (1939), an epic historical romance film, was the highest-grossing film of this decade and remains the highest-grossing film (when adjusted for inflation) to this day. Popularity of comedy films boomed after the Silent era with popular comedians The Three Stooges and Marx Brothers. Popular novels of this decade include the historical fiction novels The Good Earth, Anthony Adverse and Gone with the Wind, all three of which were best-selling novels in the United States for 2 consecutive years. Cole Porter was a popular music artist in the 1930s, with two of his songs, "Night and Day" and "Begin the Beguine" becoming No. 1 hits in 1932 and 1935 respectively. The latter song was of the Swing genre, which had begun to emerge as the most popular form of music in the United States since 1933.

The world population increased from 2.05 to 2.25 billion people during the decade, with about 750 million births and 550 million deaths.

Politics and wars

Wars

Internal conflicts

Major political changes

Germany – Rise of Nazism

  • The NSDAP (Nazi Party) under Adolf Hitler wins the German federal election, March 1933. Hitler becomes Chancellor of Germany. The Night of the Long Knives purge results in at least 85 casualties. Following the 1934 death in office of Paul von Hindenburg, President of Germany, Hitler's cabinet passes a law proclaiming the presidency vacant and transferring the role and powers of the head of state to Hitler, hereafter known as Führer und Reichskanzler (leader and chancellor). The Weimar Republic effectively gives way to Nazi Germany, a totalitarian autocratic national socialist dictatorship committed to repudiating the Treaty of Versailles, persecuting and removing Jews and other minorities from German society, expanding Germany's territory, and opposing the spread of communism.
  • Hitler pulls Germany out of the League of Nations, but hosts the 1936 Summer Olympics to show his new Reich to the world as well as the supposed superior athleticism of his Aryan troops/athletes.
  • Neville Chamberlain, Prime Minister of the United Kingdom (1937–1940), attempts the appeasement of Hitler in hope of avoiding war by allowing the dictator to annex the Sudetenland (the German-speaking regions of Czechoslovakia) and later signing the Munich Agreement and promising constituents "Peace for our time". He is ousted in favor of Winston Churchill in May 1940, following the German invasion of Norway.
  • The assassination of the German diplomat Ernst vom Rath by a German-born Polish Jew triggers the Kristallnacht ("Night of Broken Glass") which occurred between 9 and 10 November 1938, carried out by the Hitler Youth, the Gestapo, and the SS, during which much of the Jewish population living in Nazi Germany and Austria was attacked – 91 Jews were murdered, and between 25,000 and 30,000 more were arrested and sent to Nazi concentration camps. Some 267 synagogues were destroyed, and thousands of homes and businesses were ransacked. Kristallnacht also served as the pretext for the wholesale confiscation of firearms from German Jews.
  • Germany and Italy pursue territorial expansionist agendas. Germany demands the annexation of the Federal State of Austria and of other German-speaking territories in Europe. Between 1935 and 1936, Germany recovers the Saar and re-militarizes the Rhineland. Italy initially opposes Germany's aims for Austria, but in 1936 the two countries resolve their differences in the aftermath of Italy's diplomatic isolation following the start of the Second Italo-Abyssinian War, and Germany becomes Italy's only remaining ally. Germany and Italy improve relations by forming an alliance against communism in 1936 with the signing of the Anti-Comintern Pact. Germany annexes Austria in the Anschluss; the annexation of the Sudetenland follows negotiations which result in the Munich Agreement of 1938. The Italian invasion of Albania in 1939 succeeds in turning the Kingdom of Albania into an Italian protectorate. The vacant Albanian throne is claimed by Victor Emmanuel III of Italy. Germany receives the Memel territory from Lithuania, occupies what remains of Czechoslovakia, and finally invades the Second Polish Republic, the last of these events resulting in the outbreak of World War II.
  • In 1939, several countries of the Americas, including Canada, Cuba, and the United States, controversially deny asylum to hundreds of German Jewish refugees on board the MS St. Louis who are fleeing the Nazi regime's racist agenda of anti-Semitic persecution in Germany. In the end, certain European countries accept the refugees, and the ship returns to Germany with no passengers on board.

United States – Combating the Depression

  • Franklin D. Roosevelt is elected President of the United States in November 1932. Roosevelt initiates a widespread social welfare strategy called the "New Deal" to combat the economic and social devastation of the Great Depression. The economic agenda of the "New Deal" was a radical departure from previous laissez-faire economics.

Saudi Arabia – Founding

Spain – Turmoil and Civil War

  • The Republican parties win the local elections, and proclaim the Second Republic, kicking out the monarchy of Alfonso XIII of Borbón.
  • The Spanish coup of July 1936 against the Republic marks the beginning of the Spanish Civil War.

Colonization

Decolonization and independence

Other prominent political events

Europe

  • In 1930, Miguel Primo de Rivera, Prime Minister of Spain and head of a military dictatorship is forced to resign in response to a financial crisis (part of the Great Depression). Alfonso XIII of Spain, who had previously backed the dictatorship, attempts to return gradually to the previous system and restore his prestige. This failed utterly, as the King was considered a supporter of the dictatorship, and more and more political forces called for the establishment of a republic. In 1931, republican and socialist parties won a major victory in the local elections, while the monarchists were in decline. Street riots ensued, calling for the removal of the monarchy. The Spanish Army declared that they would not defend the King. Alfonso flees the country, effectively abdicating and ending the Bourbon Restoration phase which had started in the 1870s. A Second Spanish Republic emerges.
  • In the Soviet Union, agricultural collectivization and rapid industrialization take place. Millions died during the Holodomor.
  • More than 25 million people migrate to cities in the Soviet Union.
  • Anglo-German Naval Agreement is signed in 1935, removing the Treaty of Versailles' level of limitation on the size of the Kriegsmarine (navy). The agreement allows Germany to build a larger naval force.
  • Éamon de Valera introduces a new constitution for the Irish Free State in 1937, effectively ending its status as a British Dominion.
  • The Silver Jubilee of George V was celebrated on 6 May 1935 to mark 25 years of King George V as the King of the United Kingdom and the British Dominions, and Emperor of India. It was the first ever Silver Jubilee celebration of any British monarch in history.
  • The "Great Purge" of "Old Bolsheviks" from the Communist Party of the Soviet Union takes place from 1936 to 1938, as ordered by Soviet Union leader Joseph Stalin, resulting in hundreds of thousands of people being killed. This purge was due to mistrust and political differences, as well as the massive drop in grain produce. This was due to the method of collectivization in Russia. The Soviet Union produced 16 million lbs of grain less in 1934 compared to 1930. This led to the starvation of millions of Russians.
  • The Abdication of Edward VIII in 1936, gives the British Crown to George VI, 325 days after the death of his father George V. The Coronation of George VI and Elizabeth takes place in May 1937.
  • The 1937 World's Fair in Paris displays the growing political tensions in Europe. The pavilions of the rival countries of Nazi Germany and the Soviet Union face each other. Germany at the time was internationally condemned for Luftwaffe (its air force) having performed a bombing of the Basque town of Guernica in Spain during the Spanish Civil War. Spanish artist Pablo Picasso depicted the bombing in his masterpiece painting Guernica at the World Fair, which was a surrealist depiction of the horror of the bombing.
  • Referendum in the Irish Free State in December 1937 on whether Ireland should continue to be a constitutional monarchy under King George VI or to become a republic results in citizens voting in favour of a republic, ending the remains of British sovereignty through monarchial authority over the state.

Africa

  • J. B. M. Hertzog of South Africa, whose National Party had won the 1929 election alone after splitting with the Labour Party, received much of the blame for the devastating economic impact of the Depression.

Americas

  • Canada and other dominions under the British Empire sign the Statute of Westminster in 1931, establishing effective parliamentary independence of Canada from the parliament of the United Kingdom.
  • 1939 New York World's Fair, the USA displays the pavilions showing art, culture, and technology from the whole world.
  • Newfoundland voluntarily returns to British colonial rule in 1934 amid its economic crisis during the Great Depression with the creation of the Commission of Government, a non-elected body.
  • Canadian Prime Minister W. L. Mackenzie King meets with German Führer Adolf Hitler in 1937 in Berlin. King is the only North American head of government to meet with Hitler.
  • Amelia Earhart receives major attention in the 1930s as the first woman pilot to conduct major air flights. Her disappearance for unknown reasons in 1937 while on flight prompted search efforts that failed.
  • Southern Great Plains devastated by decades-long Dust Bowl
  • In 1932, the Polish Cipher Bureau broke the German Enigma cipher and overcame the ever-growing structural and operating complexities of the evolving Enigma machine with plugboard, the main German cipher device during World War II.
  • Getúlio Vargas became the President of Brazil after the 1930 coup d'état.

Asia

Australia

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