• The Timeline: Twentieth Century



    YEAR
    MONARCH
    POLITICAL EVENTS, CONFLICTS AND PRIME MINISTERS
    SOCIAL HISTORY AND EPIDEMICS
    INVENTIONS AND DISCOVERIES
    NOTABLE EVENTS
    1900

    Beatrix Potter's "The Tale of Peter Rabbit" published First public supply of three phase current
    1901 Edward VII

    The existence of different human blood types discovered by Karl Landsteiner

    Satori Kato invents powdered instant coffee
    Rockefeller Institute for Medical Research opens in New York City

    Australia granted dominion status

    Census 1st April
    1902
    Arthur Balfour (Conservative) Beatrix Potter's "The Tale of Gloucester" published Marmite first produced in Burton on Trent Anglo Japanese Alliance treaty, first signed on 30th January
    1903


    Wilbur and Orville Wright make the first manned flight

    Willem Einthoven invents electrocardiograph

    King Camp Gillette invents the safety razor

    1905
    Henry Campbell-Bannerman (Liberal)


    1906


    Diagnostic test for syphilis introduced by German researcher August von Wasserman. San Francisco earthquake
    1907

    First mention of a brassiere in Vogue First successful human blood transfusion using Landsteiner's ABO blood typing technique

    Skin test for TB introduced by Clemens Von Pirquet.

    First electric washing machines introduced in the USA (1917 in the UK)
    New Zealand granted dominion status
    1908
    Herbert H. Asquith (Liberal Coalition)

    Women's Suffrage bill carried by 179 votes
    "The Wind in the Willows" by Kenneth Grahame published First Vacuum cleaners introduced in the USA Triple Entente between Russia, France and Great Britain signed

    4th Olympic Games held in London
    1909

    Old age pension introduced in Britain

    Labour Exchange system introduced
    National Committee for Mental Hygiene founded to promote prevention and cure of mental diseases. Louis Bleriot flies across the English Channel
    1910 George V

    First large scale production of rayon
    1911
    National Insurance Act
    The founding of the Society of Genealogists
    Census 2nd April
    1912

    Suffragette newspaper founded by the Pankhursts First electric refrigerators introduced in the USA (1918 in the UK) Sinking of the Titanic

    First Blackpool illuminations
    1913

    Senghenydd Colliery Disaster

    1914 to 1918
    World War One

    Suffragettes suspended militancy and joined war effort


    Sinking of the Lusitania
    1915
    Coalition government formed


    1916
    David Lloyd George (Liberal - Coalition Government)

    Battle of the Somme



    1917



    Russian Revolution
    1918
    Qualification of Women Act Influenza pandemic
    First opportunity for women to vote
    1919
    Third Afghan War (May-Aug)
    Ernest Rutherford splits the atom Lady Astor becomes the first woman MP
    1919
    Sex Disqualification Act Children's Book Week introduced in USA

    1920
    Married Women's Property Act Collapse of Farrow's Bank affects thousands of small investors

    1921


    Edward Mellanby discovers vitamin D
    1922
    Andrew Bonar Law (Conservative)
    BBC begins radio broadcasts
    1923
    Stanley Baldwin (Conservative) 26th April Marriage of Duke of York and Lady Elizabeth First vaccine for diphtheria

    Clarence Birdseye perfects technique for freezing food
    Anglo Japanese Alliance treaty terminated
    1924
    First Labour Government formed by James Ramsay MacDonald

    Stanley Baldwin (Conservative)

    First Greenwich time signal broadcast Death of Lenin
    1925
    The Guardianship of Infants Act


    1926

    General Strike in support of coalminers

    "Winnie-the-Pooh" by A A Milne published
    John Logie Baird makes the first public demonstration of television

    First vaccine for pertussis (whooping cough)
    Formal legal adoption commenced
    1927
    Princess Elizabeth born April 21st
    First vaccine for tuberculosis

    First vaccine for tetanus

    1928
    Representation of the People Act "House At Pooh Corner" by A A Milne published Alexander Fleming discovers penicillin
    1929
    James Ramsay MacDonald (Labour) The Wall Street Crash

    Only 4% of rural households had a supply of electricity

    Start of the Great Depression

    Legal age of marriage with parents' consent raised to 16
    1930

    Princess Margaret Rose born Jacob Schlick's electric razor introduced Discovery of the planet Pluto
    1931
    James Ramsay MacDonald (National Labour - National Government)


    1932

    BBC World Service begins

    1933
    Adolf Hitler, Chancellor and Head of state of Germany (Dictator) to 1945
    Manfred Sakel discovers insulin shock therapy
    1935
    Stanley Baldwin (Conservative - National Government) Driving test introduced in England Bra cup sizes introduced in USA

    First Penguin book published

    1936 Edward VIII

    January to December

    Windsor

    George VI

    First vaccine for yellow fever Maiden voyage of the liner the Queen Mary

    World's first television service launched in Britain
    Olympic Games Berlin Germany
    1937
    Neville Chamberlain (Conservative - National Government)
    First vaccine for typhus Duke of Windsor marries Wallis Simpson
    1939 to 1945
    World War Two
    Dupont begin producing nylon
    1940
    Winston Churchill (Conservative - Coalition Government)
    Radar developed by British scientists
    1943


    Colossus, the first programmable computer, operational at Bletchley Park
    1945
    Clement Attlee (Labour)
    First vaccine for influenza Atomic bombings of Hiroshima and Nagasaki
    1947

    Notably severe winter in UK
    India and Pakistan granted independence
    1948



    The National Health Service comes into effect on the 5th of July 1948

    Berlin Blockade and Air Lift
    1950


    John Hopps invented the first cardiac pacemaker
    1950 to 1953 Korean War
    1951
    Winston Churchill (Conservative)

    Festival of Britain
    1952 Elizabeth II USA tests the first hydrogen bomb
    Jonas Salk invented polio vaccine
    1953


    Paracetamol first marketed
    1954

    Rationing finally ends

    1955
    Sir Anthony Eden (Conservative)
    Contraceptive pill invented by Gregor Pincus
    1956
    Suez Crisis


    1957
    Harold Macmillan (Conservative)
    First space satellite launched
    1959

    Vietnam War to 1975


    1960



    Cyprus gains independence from the UK
    1961


    First manned space flight by Yuri Gagarin Creation of Berlin Wall
    1962


    First oral polio vaccine (as an alternative to the injected vaccine) U.S. Congress passes legislation creating Medicare and Medicaid.
    1963
    Sir Alec Douglas-Home (Conservative)

    Assassination of President John F Kennedy in the USA
    Very severe winter

    1964
    Harold Wilson (Labour)
    First vaccine for measles
    1965



    U.S. Congress passes law requiring label on cigarette packages: "Warning: Cigarette Smoking may be Hazardous to your Health."
    1966



    Decimal currency and dollars in Australia
    1967


    First vaccine for mumps. South African heart surgeon Dr. Christiaan Barnard performs the first human heart transplant.
    1968
    USSR invades Czechoslovakia

    Martin Luther King assassinated
    1969



    Apollo 11 moonlanding - first man on the moon
    1970
    Edward Heath (Conservative)
    First vaccine for rubella.
    1971



    Introduction of decimal currency in the UK
    1973


    CAT scan invented by Godfrey Hounsfield and Allan Cormack
    1974
    Harold Wilson (Labour)
    First vaccine for chicken pox.
    1975
    Adoptees gain the right to apply for their original birth certificates
    1976
    James Callaghan (Labour)


    1977


    First vaccine for pneumonia
    1978


    First test-tube baby is born in the U.K.
    1979
    Margaret Thatcher (Conservative)
    Ultrasound scan invented by Ian Donald
    1980



    W.H.O. (World Health Organization) announces smallpox is eradicated.
    1981


    First vaccine for hepatitis B.

    IBM Personal Computer released

    1982
    Falklands War


    1983


    HIV, the virus that causes AIDS, is identified.
    1984


    Leprosy vaccine made
    1986



    Nuclear disaster at Chernobyl, Ukraine
    1989


    Tim Berners-Lee develops the World Wide Web Fall of the Berlin Wall

    Velvet Revolution
    in Czechoslovakia
    1990
    Nelson Mandela released from prison

    John Major (Conservative)


    Reunification of Germany
    1991
    Break-up of Soviet Union


    1996

    Written theory section of driving test introduced in the UK.

    1997
    Tony Blair (Labour)