1930s

Technology

Many technological advances occurred in the 1930s, including:

1931: Empire State Building is opened.

• The world's tallest building (for the next 35 years) was constructed, opening as the Empire State Building on May 3, 1931 in New York City;
• On March 8, 1930, the first frozen foods of Clarence Birdseye were sold in Ringfield, Massachusetts, United States.
• Ub Iwerks produced the cheese first Color Sound Cartoon in 1930, a Flip the Frog cartoon entitled: "Fiddlesticks";
• In 1930, Warner Brothers released the first All-Talking All-Color wide-screen movie, Song of the Flame; in 1930 alone, Warner Brothers released ten All-Color All-Talking feature movies in Technicolor and scores of shorts and features with color sequences;
• Air mail service across the Atlantic Ocean began;
• Radar was invented, known as RDF (Radio Direction Finding), such as in British Patent GB593017 by Robert Watt in 1938;
• In 1933, the 3M company marketed Scotch Tape;
• In 1931, RCA Victor introduced the first long-playing phonograph record.
• In 1935, the British London and North Eastern Railway introduced the A4 Pacific, designed by Sir Nigel Gresley. Just three years later, one of these, No. 4468 Mallard, would become the fastest steam locomotive in the world.
• Nuclear fission discovered by Otto Hahn, Lise Meitner and Fritz Strassman in 1939.
• The Volkswagen Beetle, one of the best selling automobiles ever produced, had its roots in Nazi Germany in the late 1930s. The car would prove to be successful, and would be produced relatively unchanged until this day.

International issues

• Rise of authoritarian, nationalist, and fascist regimes.
• The Great Depression seriously affects the economic, political, and social aspects of society across the world.
• Major conflict occurs across the world such as the Chaco War, the Second Italo-Abyssinian War, the Spanish Civil War, the Chinese Civil War, the Second Sino-Japanese War, and the outbreak of World War II in 1939.
• Collapse of the League of Nations as countries like Germany, Italy, and Japan abdicate the League.

Africa

• Ethiopia is invaded by Italy during the Second Italo-Abyssinian War from 1935 to 1936 which results in the Italian occupation of Ethiopia with Ethiopia being forced to become a colony of Italy.

Americas

Emblem of the National Recovery Administration (NRA) of the United States, an organization created as part the "New Deal".

Paraguayan soldiers during the Chaco War.

• The Chaco War takes place from 1932 to 1935 between Bolivia and Paraguay over the disputed territory of Gran Chaco resulting in an overall Paraguayan victory in 1935. An agreement dividing the territory was made in 1938, officially ending outstanding differences and bringing an official "peace" to the conflict.
• 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.
• Canada and other countries under the British Empire sign the Statute of Westminster in 1931 establishing effective parliamentary independence of Canada from the parliament of the United Kingdom.
• United States Marine Corps general Smedley Butler confesses to the U.S. Congress in 1934 that a group of industrialists contacted him, requesting his aid to overthrow the U.S. government of Roosevelt and establish what he claimed would be a fascist regime in the United States.
• 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.
• Multiple countries in the Americas including Canada, Cuba, and the United States controversially deny asylum to hundreds of Jewish German refugees on the SS St. Louis who are fleeing Germany in 1939 which under the Nazi regime was pursuing a racist agenda of anti-Semitic persecution. In the end, no country accepted the refugees and the ship returns to Germany with most of its passengers onboard, while some commit suicide based on the prospect of returning to Nazi-run Germany.

Asia

Mohandas Gandhi on the Salt March in 1930.

Japanese marines at Guangdong in the Battle of Wuhan in 1938 during the Second Sino-Japanese War.

• Mohandas Gandhi leads the non-violent Satyagraha movement in the Declaration of the Independence of India and the Salt March in March 1930.
• Japan captures Manchuria in 1931, creating the puppet state of Manchukuo.
• Chinese Communist Party leader Mao Zedong forms the small enclave state called the Chinese Soviet Republic in 1931.
• The Gandhi–Irwin Pact is signed by Mohandas Gandhi and Viceroy of India, Lord Irwin on March 5, 1931. Gandhi agrees to end the campaign of civil disobedience being carried out by the Indian National Congress (INC) in exchange for Irwin accepting the INC to participate in roundtable talks on British colonial policy in India.
• The Government of India Act of 1935 is passed in British colonial India, separating Burma into a separate British colony and increasing political autonomy of the princely states in India.
• Mao Zedong's Chinese communists begin a large retreat from advancing nationalist forces, called the Long March beginning in October 1934 and ending in October 1936 resulting in the collapse of the Chinese Soviet Republic.
• Japan invades China in 1937, starting the Sino-Japanese War.
• Colonial India's Muslim League leader Muhammed Ali Jinnah delivers his "Day of Deliverance" speech on December 2, 1939, calling upon Muslims to begin to engage in civil disobedience against the British colonial government starting on December 12. Jinnah demands redress and resolution to tensions and violence occurring between Muslims and Hindus in India. Jinnah's actions are not supported by the largely Hindu-dominated Indian National Congress whom he had previously closely allied with. The decision is seen as part of an agenda by Jinnah to support the eventual creation of an independent Muslim state called Pakistan from colonial India.

Europe

German dictator Adolf Hitler (right) and Italian dictator Benito Mussolini (left) pursue agendas of territorial expansion for their countries in the 1930s, eventually leading to the outbreak of World War II in 1939.

• The Spanish monarchy abdicates and Spain becomes a republic in 1931.
• Adolf Hitler and the National Socialist German Worker's Party (Nazi Party) rise to power in Germany in 1933, forming a fascist regime 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.
• In the Soviet Union, agricultural collectivization and rapid industrialization take place.[1]
• More than 25 million people migrate to cities in the USSR.
• Austrian chancellor Engelbert Dolfuss is assassinated in 1934 by Austrian Nazis. Germany and Italy nearly clash over the issue of Austrian independence despite close ideological similarities of the Italian Fascist and Nazi regimes.
• King Alexander of Yugoslavia is assassinated in 1934 by a radical Macedonian nationalist.
• Anglo-German naval agreement is signed in 1935, removing the Treaty Versailles' level of limitation on the size of the German navy, allowing Germany to build a larger navy
• Spanish Civil War occurs from 1936 to 1939. Germany and Italy back anti-communist nationalist forces of Francisco Franco. The Soviet Union backs the left-wing republican faction in the war. The war ends in April 1939 with Franco's nationalist forces defeating the republican forces. Franco becomes dictator of Spain.
• Éamon de Valera introduces a new constitution for the Irish Free State in 1937, effectively ending its status as a British Dominion.
• The "Great Purge" of "Old Bolsheviks" from the Communist Party of the Soviet Union takes place from 1937 to 1938, as ordered by Soviet Union leader Josef Stalin, resulting in hundreds of thousands of people being killed.
• Germany and Italy pursue territorial expansionist agendas. Germany demands the annexation of Austria and German-populated territories in Europe. From 1935 to 1936, Germany receives the Saar, remilitarizes the Rhineland. Italy initially opposes Germany's aims on Austria but the two countries resolve their differences in 1936 in the aftermath of Italy's diplomatic isolation after its invasion of Ethiopia which only Germany supported. Germany and Italy improve relations by forming an alliance against communism in 1936 with the signing of the Anti-Comintern Pact. Germany annexes Austria and then the Sudetenland after negotiations which resulted in the Munich Agreement in 1938. Italy invades and annexes Albania in 1939 and Germany receives the Meuse territory from Latvia, occupies Czecholslovakia, and finally invades Poland which results in the outbreak of World War II.