Timeline: Carol Lavonne Leatherman: Gerber Family of Langnau

	Date	Event(s)
1	1928	1928: Los Angeles, USA - First Mickey Mouse cartoon 1928: Oxford, UK - First Oxford English Dictionary Published 1928: UK - Kellogg-Briand Treaty Outlaws War 1928: London, UK - Scottish biologist Alexander Fleming discovers penicillin. 1928: USA - Bubble gum invented by Walter E. Diemer. 1928: UK - Jacob Schick patented the electric shaver. 1928: UK - Long, critical illness of George V this year and the next
2	1929	1929: UK - Economic upturn this year and the next 1929: UK - First UK television broadcast 1929: UK - Frank Whittle, combining the concepts of rocket propulsion and gas turbines, invented jet propulsion. Independently, Hans von Ohain put together the same combination in 1933 1929: Antarctica - Byrd and Bennett Fly Over South Pole 1929: USA - First Academy Awards 1929: USA - New York Stock Market Crashes 1929: USA - St. Valentine's Day Massacre 1929: UK - Further serious clashes between Jews and Arabs in Palestine 1929: USA - Herbert Hoover president 1929-1933. 1929: USA - Paul Galvin invents the car radio. 1929: USA - Yo-Yo re-invented as an American fad. 1929: UK - Great Depression (to 1932), British segment hits worst in 1931, when unemployment surges quickly to more than 3.25 million in 1931, then more slowly to a high of 3.75 million in September 1932
3	1930	1930: UK - Gandhi's Salt March 1930: USA - Clyde Tombaugh discovers planet Pluto 1930: UK - Sliced Bread Available 1930: USSR - Stalin Begins Collectivizing Agriculture 1930: UK - Sir Oswald Mosely, former Conservative MP and now Chancellor of the Duchy of Lancaster, resigns and forms New Party (Fascist) 1930: USA - Scotch tape patented by 3M engineer Richard G. Drew. 1930: Boston, MA, USA - The differential analyzer, an analog computer, is invented by Vannevar Bush at MIT
4	1931	1931: UK - Housing Act passes, provides subsidies for slum clearance 1931: USA - Al Capone Imprisoned for Income Tax Evasion 1931: UK - Auguste Piccard Reaches Stratosphere 1931: Rio de Janeiro, Brazil - Christ Monument Built on Hilltop 1931: New York, NY, USA - Empire State Building Completed 1931: USA - First official US National Anthem 1931: 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 - 1,243 1931: 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 crisis 21 Oct 1931: UK - General Election, vote for National Government overwhelming, more votes for Conservatives, Liberal party in disarray
5	1932	1932: UK - Agricultural Marketing Act passed, regulates quality of produce 1932: USA - Air Conditioning Invented 1932: Amelia Earhardt First Woman to Fly Solo Across the Atlantic 1932: Cambridge, UK - Scientists Split the Atom 1932: USA - Zippo Lighters Introduced 1932: 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 membership 1932: 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 falls Sep 1932: UK - 6-7 million living on 'dole', worse in Tyne and Tees and Welsh valleys