1920-1940

Timeline created by Aydin Hopkins
In History
  • Prohibition went into effect

    Prohibition went into effect
    While the 18th amendment was passed the previous year in 1919, prohibition did not take effect until the year 1920. It was now illegal to sell produce, or import liquor into the United States. As industrialization spread so did neighborhood saloons were workers went to after a long day in the factory. The illegal sale and smuggling of liquor became one of the largest industries in the US during this period.
  • Frederick Banting and Charles Best co-discover insulin.

    Frederick Banting and Charles Best co-discover insulin.
    In the early 1920s Frederick Banting and Charles Best discovered insulin under the directorship of John Macleod at the University of Toronto. With the help of James Collip insulin was purified, making it available for the successful treatment of diabetes. Banting and Macleod earned a Nobel Prize for their work in 1923. this was a huge stride in the medical field, now that they were able to fight against Diabetes
  • Washington Naval Conference

    Washington Naval Conference
    The Washington Naval Conference was an international conference called by the United States to limit the naval arms race and to work out security agreements in the Pacific area. Held in Washington, D.C., the conference resulted in the drafting and signing of several major and minor treaty agreements. ended 02/06/1922
  • Hubble identifies a new Galaxy

    Hubble identifies a new Galaxy
    Around 1924, Hubble was looking at the Andromeda nebula and found to his amazement that one of the stars he'd observed wasn't just any star, but a cepheid variable.He calculated that the distance was about 800,000 light years, more than eight times the distance to the furthest stars in the Milky Way! This proved that the "nebula" was actually separate systems outside and independent of our galaxy. It was the first evidence of galaxies outside our own, and Hubble found 23 more galaxies.
  • Television invented

    Television invented
    The world’s first electronic television was created by a 21 year old inventor named Philo Taylor Farnsworth. That inventor lived in a house without electricity until he was age 14. There were two types of televisions, mechanical (relied on rotating disks)and electronic(rely on a technology called a Cathode Ray Tube)... just vastly superior.
  • Show Boat premiere

    Show Boat premiere
    Show Boat is a musical in two acts, with music by Jerome Kern and book and lyrics by Oscar Hammerstein II, based on Edna Ferber's best-selling 1926 novel of the same name. The musical follows the lives of the performers, stagehands and dock workers on the Cotton Blossom, a Mississippi River show boat, over 40 years from 1887 to 1927. Its themes include racial prejudice and tragic, enduring love.
  • Discovery of penicillin

    Discovery of penicillin
    Alexander Fleming noted that mold belonging to the genus Penicillium inhibited the growth of bacteria. Fleming called this unknown antibacterial substance penicillin.Penicillins are antibiotics used to treat bacterial infections that are derived from the antibiotic penicillin. The process of testing continued through 1945.
  • Chop Suey painting

    Chop Suey painting
    Edward Hopper’s picture of social realism is comprised from a composition of multi-coloured geometric rectangles and depicts a scene within a Chinese restaurant. In the centre foreground are two women (both believed to be based on Hopper’s wife, Josephine) who appear to have an ambiguous relationship. Styles of art are always being changed reinvented, and created by artisans.
  • Period: to

    The Great Depression

    The Great Depression was the worst economic downturn in the history of the industrialized world, lasting from 1929 to 1939.Over the next several years, consumer spending and investment dropped, causing steep declines in industrial output and employment as failing companies laid off workers. By 1933, when the Great Depression reached its lowest point, some 15 million Americans were unemployed and nearly half the country’s banks had failed.
  • Stock Market Crash of 1929 (Black Tuesday)

    Stock Market Crash of 1929 (Black Tuesday)
    On October 29, 1929, Black Tuesday hit Wall Street as investors traded some 16 million shares on the New York Stock Exchange in a single day. Billions of dollars were lost, wiping out thousands of investors. In the aftermath of Black Tuesday, America and the rest of the industrialized world spiraled downward into the Great Depression.
  • Neil Armstrong Born ( Astronaut)

    Neil Armstrong Born ( Astronaut)
    Neil A. Armstrong, the first man to walk on the moon, was born in Wapakoneta, Ohio, on August 5, 1930. He began his NASA career in Ohio.
  • Al Capone convicted guilty of tax evasion

    Al Capone convicted guilty of tax evasion
    Al Capone pled guilty to tax evasion and prohibition charges. He then boasted to the press that he had struck a deal for a two-and-a-half year sentence, but the presiding judge informed him he, the judge, was not bound by any deal. Capone was convicted after trial and on November 24, was sentenced to eleven years in federal prison, fined $50,000 and charged $7,692 for court costs, in addition to $215,000 plus interest due on back taxes.
  • Discovery of the neutron

    Discovery of the neutron
    James Chadwick announced that the core also contained a new uncharged particle, which he called the neutron. The discovery of neutron quickly changed scientists’ view of the atom, and Chadwick was awarded the Nobel Prize in 1935 for the discovery. Scientists soon realized that the newly discovered neutron, as an uncharged but fairly massive particle.
  • Adolf Hitler becomes chancellor of Germany

    Adolf Hitler becomes chancellor of Germany
    Hitler becomes chancellor of a coalition government, where the Nazis have a third of the seats in the Reichstag.
  • Franklin D. Roosevelt Elected President

    Franklin D. Roosevelt Elected President
    Franklin D. Roosevelt was in his second term as governor of New York when he was elected as the nation’s 32nd president in 1932. With the country mired in the depths of the Great Depression, Roosevelt immediately acted to restore public confidence, proclaiming a bank holiday and speaking directly to the public in a series of radio broadcasts or “fireside chats.” His ambitious slate of New Deal programs and reforms redefined the role of the federal government in the lives of Americans.
  • Termination of the Gold Standard

    Termination of the Gold Standard
    The United States went off the gold standard, a monetary system in which currency is backed by gold, when Congress enacted a joint resolution nullifying the right of creditors to demand payment in gold. The United States had been on a gold standard since 1879, except for an embargo on gold exports during World War I, but bank failures during the Great Depression of the 1930s frightened the public into hoarding gold. The policy was abandoned in the hopes to save the economy.
  • 21st Amendment ratified

    21st Amendment ratified
    The 21st Amendment to the U.S. Constitution is ratified, repealing the 18th Amendment and bringing an end to the era of national prohibition of alcohol in America.
  • Anything Goes Musical

    Anything Goes Musical
    The story concerns madcap antics aboard an ocean liner bound from New York to London. Billy Crocker is a stowaway in love with heiress Hope Harcourt, who is engaged to Lord Evelyn Oakleigh. Nightclub singer Reno Sweeney and Public Enemy Number 13, “Moonface” Martin, aid Billy in his quest to win Hope.
  • Elvis Presley

    Elvis Presley
    Also known simply as Elvis, was an American singer, musician and actor. He is regarded as one of the most significant cultural icons of the 20th century and is often referred to as the "King of Rock and Roll" or simply "the King".
  • Nylon fabric was invented

    Nylon fabric was invented
    The invention of nylon in 1938 ushered in a textile revolution for consumers and the military alike, ultimately helping the Allies win World War II. It was highly used in fashion. While many believe that the production process contributes to global warming due to the nitrous oxide that is released during production.
  • Adolf Hitler Breaks the Treaty of Versailles

    Adolf Hitler Breaks the Treaty of Versailles
    Hitler re-arms Germany with the aim of undoing the Treaty of Versailles and uniting all the German peoples. Military conscription is introduced. The Treaty of Versailles was the treaty that brought WW1 to an end.
  • Social Security Act Signed into Law

    Social Security Act Signed into Law
    The creation of Social Security gave a federal safety net for elderly, unemployed and disadvantaged Americans. The main stipulation of the original Social Security Act was to pay financial benefits to retirees over age 65 based on lifetime payroll tax contributions.
    Tens of millions of people in the United States have received financial assistance through the Social Security Act since its inception. this had been a political hot topic for years, its existence threatened time and again.
  • Japan invades China (Nanking Massacre)

    Japan invades China (Nanking Massacre)
    over a period of six weeks, Imperial Japanese Army forces brutally murdered hundreds of thousands of people–including both soldiers and civilians–in the Chinese city of Nanking (or Nanjing). The horrific events are known as the Nanking Massacre or the Rape of Nanking, as between 20,000 and 80,000 women were sexually assaulted. Nanking, then the capital of Nationalist China, was left in ruins, and it would take decades for the city and its citizens to recover from the savage attacks.
  • Electro-Shock therapy

    Electro-Shock therapy
    In 1938, Cerletti and his psychiatrist colleague Lucio Bini developed the first ECT device and treated their first human patient, a diagnosed schizophrenic with delusions, hallucinations, and confusion. The treatment worked just as planned, and the patient's condition improved markedly.
  • Start of World War 2

    Start of World War 2
    World War II broke out two decades after WWI. Among the estimated 45-60 million people killed were 6 million Jews murdered in Nazi concentration camps as part of Hitler’s diabolical “Final Solution,” now known as the Holocaust.
  • Roosevelt makes destroyers-for-bases deal with the British

    Roosevelt makes destroyers-for-bases deal with the British
    The United States signed an agreement to transfer 50 old destroyers to the United Kingdom in return to the rights to four British bases in the Western Hemisphere. Britain’s need for assistance continued to grow. President Roosevelt had no problem selling guns, ammunition, and planes to Britain, (since the U.S. was producing these resources in sufficient numbers). This was, of course, due to Hitler's attacks in order to take more control.