|  | Date | Event(s) | 
| 1 | 1900 |  | 
| 2 | 1901 |  | 
| 3 | 1902 |  | 
| 4 | 1903 | 1903: USA - Orville Wright and Wilbur Wright achieved flight in a manned, gasoline power-driven, heavier-than-air flying machine at Kitty Hawk. 1903: UK - First Silent Movie, The Great Train Robbery1903: India - Plague strikes1903: Ireland - Irish land purchase bill, Wyndham's Act, permits Irish to buy land from landlords with £150 million of loans included1903: UK - Liverpool University, Sheffield University and Leeds University founded1903: UK - Balfour's Licensing Act reduces number of houses selling alcohol1903: UK - Trade depression - unemployment results; Act sets up local committees to find employment, voluntary contributions give small stipend to unemployed1903: UK - Act of Parliament secures highly privileged immunity for trades unions; Labour Party formed1903: UK - Free school meals for poor children, Children's Act deals with cruelty to children, prohibits imprisonment of children under 141903: UK - 72 British ships have Marconi's radio, 1912 - 450, 1914 - 8791903: UK - Beginning of Old Age Pension scheme1903: UK - Trade depression - unemployment results; William Beveridge publishes Unemployment, a Problem of Industry, which prompts creation of Labour Exchanges1903: Europe - Louis Bleriot flies across the English Channel1903: UK - Edward Binney and Harold Smith co-invent crayons.1903: UK - Bottle-making machinery invented by Michael J. Owens.1903: UK - Mary Anderson invents windshield wipers.1903: USA - William Coolidge invents ductile tungsten used in lightbulbs.
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| 5 | 1904 |  | 
| 6 | 1905 |  | 
| 7 | 1906 |  | 
| 8 | 1907 |  | 
| 9 | 1908 |  | 
| 10 | 1909 |  | 
| 11 | 1910 | 1910: UK - Georges Claude discovered that electricity conducted through a tube of the rare inert gas, neon, gives a bright red glow and that other gases gave off other colors, e.g., argon gives blue, helium gives yellow and white, etc.1910: UK - First live opera broadcast1910: UK - Halley's Comet Makes an Appearance1910: UK - The Tango Catches On1910: South Africa - Formation of Union of South Africa1910: UK - Death of Edward VII1910: UK - Population of England/Wales 36,070, Scotland - 4,761, N. Ireland - 1,2511910: UK - Contributory National Insurance Scheme introduced by David Lloyd George, provides medical care, maternity benefits and sick pay1910: UK - Parliament Act reduces House of Lords' veto to delaying power; House of Commons begins to pay members a stipend1910: UK - There are 146,000 female clerical workers in England, up from 22,000 in 1891, 7,000 in 1881, and 19 in 18511910: USA - Thomas Edison demonstrated the first talking motion picture.1910: UK - Infant mortality now 110 per 1000 live births, declines steadily to 24.4 in 1956; emigration reaches about 464,000/year; divorces average 823/year, go to 3,619/year in 1920-1922, 7,955/year in 1939 (latter rise because willful desertion, cruelty and incurable insanity added to causes in 1937)1910: UK - Strikes of seaman, dock and transport workers, general railway strike for higher wages during period to 191220 Jan 1910: UK - George V, ruler of England to 1936. House of Windsor (name adopted Jul 17, 1917): 2nd son of Edward VII, married Princess Mary of Teck.
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| 12 | 1911 |  | 
| 13 | 1912 | 1912: North Sea - The Sinking of the Titanic: 1,515 people lose their lives.1912: UK - Parachutes Invented1912: UK - Piltdown Man, the 'Missing Link,' Discovered but later revealed as a fraud1912: SOS Accepted as Universal Distress Signal1912: UK - Motorized movie cameras invented, and replaced hand-cranked cameras.1912: UK - The first tank patented by Australian inventor De La Mole.1912: USA - Clarence Crane created Life Savers candy
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| 14 | 1913 | 1913: USA - Leo Baekeland invented a plastic laminate, known as Bakelite, and later as Formica1913: Detroit, MI, USA - First assembly line introduced in Ford automobile factory1913: New York, NY, USA - The Armory Show, an international display of some 1600 works of modern art, and one of the more important U.S. art exhibitions ever held, opens at the 69th-regiment armory. It arouses public curiosity, generates sensational news coverage, and helps change the direction of American art1913: USA - Personal Income Tax introduced1913: Washington, DC, USA - Woodrow Wilson president 1913-1921.1913: UK - The crossword puzzle was invented by Arthur Wynne.1913: USA - The Merck Chemical Company patented what is now known as ecstasy.1913: USA - Mary Phelps Jacob invents the bra1913: USA - Gideon Sundback invents the modern zipper.
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| 15 | 1914 | 1914: UK - Battle of the Marne1914: USA - Charlie Chaplin First Appeared as the Little Tramp1914: UK - First Traffic Light1914: Panama - Panama Canal Officially Opened1914: Egypt - Britain proclaims protectorate over Egypt1914: France - Stunning British casualty figures come from Loos -60,000; in on the Somme, 60,000 in one day; total for 5-month offensive - 400,000; Germans use poison gas at Ypres1914: Ireland - Easter Monday Irish rebellion, Irish Volunteers (later Irish Republican Army) proclaim Irish Republic; German submarine lands Sir Roger Casement who is arrested, German ship with rifles intercepted off Irish coast, Casement executed; Sinn Fein and Ulster cannot agree on partition1914: France - Passchendaele, British advance of 5 miles costs 400,000 casualties1914: UK - Balfour Declaration promises Jews home in Palestine1914: UK - First use of massed tanks (Battle of Cambrai)1914: UK - King George V adopts Windsor as Royal Family's English surname in place of family's German name1914: USA - Garrett A. Morgan invents the Morgan gas mask4 Aug 1914: World War I begins and lasts until 1918, because Germany violates a treaty to respect neutrality of Belgium; Turkey enters war on Germany's side
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| 16 | 1915 |  | 
| 17 | 1916 |  | 
| 18 | 1917 |  | 
| 19 | 1918 | 1918: UK - Influenza Epidemic1918: Russia - Czar Nicholas II and his family are killed1918: UK - Summer:Great Influenza Epidemic begins, reaches height end of year, new outbreak first quarter of 1919: England and Wales lose 150,000 (15,000 in London alone)1918: UK - Final casualties for World War I - almost 1 million British Empire men killed, about 3 million maimed (744,000 killed are from UK)1918: UK - Women over 30 given the vote (complete voting equality with men comes in 1928), all men over 21 (except peers, lunatics and felons) given vote1918: UK - Consumer purchasing power now about 1/3 of what it was in 19141918: USA - Charles Jung invented fortune cookies.1918: UK - Police strikes this year and the next9 Nov 1918: Europe - Kaiser abdicates, peace signed two days later at Treaty of Versailles, ending World War I
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| 20 | 1919 |  | 
| 21 | 1920 | 1920: India - Bubonic Plague strikes1920: UK - League of Nations Established1920: UK - Population of England/Wales - 37,887, Scotland - 4,882, N.Ireland - 1,2581920: UK - Economic slump, 2,170,000 unemployed1920: Palestine - Serious clashes between Jews and Arabs1920: USA - US restricts immigration1920: Ireland - Southern Irish parliament passes Government of Ireland Act, civil war effectively ends (until 1968)1920: UK - Lloyd George sells honours in return for party contributions, partly responsible for downfall of Coalition government1920: Egypt - Britain recognizes Egyptian independence1920: UK - British Broadcasting Company (BBC) begins transmission of speech over air to public1920: Italy - Benito Mussolini becomes fascist dictator1920: UK - First football cup final at Wembley1920: UK - Greyhound racing becomes popular1920: UK - Radio and cinema begin growth (by 1929, 3,000 cinemas in Britain)1920: UK - Convictions for drunkenness fall from 189,000 in 1913 to 53,000 in 19301920: France - Tuberculosis vaccine developed1920: UK - The tommy gun patented by John T Thompson.1920: USA - The Band-Aid invented by Earle Dickson1920: Ireland - Irish Republican Army begins Civil War with raids on police barracks and income tax offices all over Ireland1920: UK - Communist Party of Great Britain founded; affiliation with Labour Party rebuffed = schism between communism and socialism1920: UK - Population of Great Britain has grown by 5 per cent, emigration overseas declines from 256,000 in 1923 (post-war peak) to 92,000 in 1930 and many return to offset those leaving; British population gravitates to south and away from depressed areas of South Wales and northern England, Greater London is now over 8 millionDec 1920: Ireland - New Government of Ireland Act proposes partition of Ireland into Ulster (north) and Irish Free State (south), each to have its own government
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| 22 | 1921 |  | 
| 23 | 1922 |  | 
| 24 | 1923 |  | 
| 25 | 1924 |  | 
| 26 | 1925 |  | 
| 27 | 1926 |  | 
| 28 | 1927 |  | 
| 29 | 1928 |  | 
| 30 | 1929 |  | 
| 31 | 1930 |  | 
| 32 | 1931 | 1931: UK - Housing Act passes, provides subsidies for slum clearance1931: USA - Al Capone Imprisoned for Income Tax Evasion1931: UK - Auguste Piccard Reaches Stratosphere1931: Rio de Janeiro, Brazil - Christ Monument Built on Hilltop1931: New York, NY, USA - Empire State Building Completed1931: USA - First official US National Anthem1931: UK - Census shows British professional workers now number .75 million (8 per cent); up from 80,000 in 1921 Census: population: England/Wales - 39,952, Scotland - 4,842, N. Ireland - 1,2431931: USA - Harold Edgerton invented stop-action photography.1931: Germany - Germans Max Knott and Ernst Ruska co-invent the electron microscope.24 Aug 1931: UK - Resignation of Labour government accepted by King, asks Ramsay MacDonald to form National Government (Coalition) to deal with economic crisis21 Oct 1931: UK - General Election, vote for National Government overwhelming, more votes for Conservatives, Liberal party in disarray
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| 33 | 1932 | 1932: UK - Agricultural Marketing Act passed, regulates quality of produce1932: USA - Air Conditioning Invented1932: Amelia Earhardt First Woman to Fly Solo Across the Atlantic1932: Cambridge, UK - Scientists Split the Atom1932: USA - Zippo Lighters Introduced1932: Ireland - De Valera succeeds Cosgrave as Prime Minister of Irish Free State, ousts British Governor-General, abolishes senate, alters law re citizenship to distinguish Irish nationality from British, but still claims Commonwealth membership1932: USA - Polaroid photography invented by Edwin Herbert Land.1932: UK - Unemployment falls from 3 million to below 2 million in July 1935; production rises, but imports steady, exports decline; new industries booming - chemicals, rayon, cars, radio, cost of living fallsSep 1932: UK - 6-7 million living on 'dole', worse in Tyne and Tees and Welsh valleys
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| 34 | 1933 |  | 
| 35 | 1934 |  | 
| 36 | 1935 |  | 
| 37 | 1936 | 1936: UK - Edward VIII, ruler of England 1936. House of Windsor (name adopted Jul 17, 1917): Eldest son of George V.1936: UK - BBC starts regular TV broadcasts1936: USA - Dale Carnegie Publishes How to Win Friends and Influence People1936: Germany - Nazi Olympics in Berlin1936: Spain - Spanish Civil War Begins. Germany and Italy help rebels against government, Soviet Union aids government, as do International Brigade with volunteers from European countries and US during period to 19391936: UK - Arabs attack Jews and British troops and police, riots, strikes, outbursts of great violence, Jews attack Arabs and British, disorder continues through beginning of World War II1936: USA - Bell Labs invents the voice recognition machine.1936: USA - Samuel Colt patents the Colt revolver.1936: Germany - Hitler and Mussolini make Rome-Berlin Axis agreement to conduct aggression together, followed by German agreement with Japan which Italy signs later20 Jan 1936: UK - Death of King George V12 May 1936: UK - George VI, ruler of England 1936-1952. House of Windsor (name adopted Jul 17, 1917): 2nd son of George V, Duke of York; married Lady Elizabeth Bowes-Lyon.16 Nov 1936: UK - Prime Minister Stanley Baldwin learns Edward VIII wants to marry twice-divorced Mrs.Simpson and will abdicate if necessary, public storm breaks on 2- 3 December, King abdicates on 5 December, announces 10 December, Abdication Act rushes through 11 December; Duke of York (father of Queen Elizabeth II) becomes George VI
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| 38 | 1937 |  | 
| 39 | 1938 |  | 
| 40 | 1939 |  | 
| 41 | 1940 |  | 
| 42 | 1941 |  | 
| 43 | 1942 |  | 
| 44 | 1943 |  | 
| 45 | 1944 | 1944: France - D-Day landings1944: France - First German V1 and V2 Rockets Fired1944: Berlin, Germany - Hitler Escapes Assassination Attempt1944: USA - The kidney dialysis machine invented by Willem Kolff.1944: USA - Synthetic cortisone invented by Percy Lavon Julian.
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| 46 | 1945 |  | 
| 47 | 1946 |  | 
| 48 | 1947 |  | 
| 49 | 1948 | 1948: USA - Life magazine makes painter Jackson Pollock an overnight celebrity by devoting a three-page spread with color photographs to him and his paintings under the headline, Jackson Pollock: Is He the Greatest Living Painter in the United States?; Abstract Expressionism becomes a subject of widespread popular ridicule.1948: Berlin, Germany - Berlin Airlift1948: UK - Big Bang Theory Formulated1948: India - Gandhi Assassinated1948: South Africa - Policy of Apartheid Begun1948: Israel - State of Israel Founded1948: USA - The Frisbee® invented by Walter Frederick Morrison and Warren Franscioni.1948: USA - Velcro® invented by George de Mestral.1948: USA - Robert Hope-Jones invented the Wurlitzer jukebox
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| 50 | 1949 |  | 
| 51 | 1950 |  | 
| 52 | 1951 |  | 
| 53 | 1952 |  | 
| 54 | 1953 |  | 
| 55 | 1954 |  | 
| 56 | 1955 |  | 
| 57 | 1956 |  | 
| 58 | 1957 |  | 
| 59 | 1958 |  | 
| 60 | 1959 |  | 
| 61 | 1960 |  | 
| 62 | 1961 |  | 
| 63 | 1962 |  | 
| 64 | 1963 |  | 
| 65 | 1964 |  | 
| 66 | 1965 |  | 
| 67 | 1966 |  | 
| 68 | 1967 |  | 
| 69 | 1968 |  | 
| 70 | 1969 |  | 
| 71 | 1970 |  | 
| 72 | 1971 |  | 
| 73 | 1972 |  | 
| 74 | 1973 |  | 
| 75 | 1974 |  |