Events and trends\nTechnology\n* John Logie Baird invents the first working television system\n* Charles Lindbergh becomes the first person to fly solo non-stop across the Atlantic Ocean\n* Penicillin is discovered by Sir Alexander Fleming. (1928) Science\n* Great advances in quantum mechanics\n** Wave mechanics and the Schrödinger equation\n** Werner Heisenberg formulates the uncertainty principle\n** Paul Dirac's unification of quantum mechanics with special relativity War, peace and politics\n* Rise of communism after World War I\n* Irish Civil War\n* Southern Ireland gains independence from the United Kingdom in 1922\n* Turkish War of Independence\n* First Labour Government of Ramsay MacDonald formed in the United Kingdom\n* Kellogg-Briand Pact to end war Economics\n* Economic boom ended by "Black Thursday" (October 24, 1929); the stock market crashes, leading to the Great Depression Culture, religion\n* Youth culture of The Lost Generation; Flappers, Charleston, Bobbed Hair\n* Prohibition — legal attempt to end consumption of alcohol in the USA\n* "The Jazz Age" — Jazz and jazz-influenced dance music widely popular\n* Rise of broadcast radio as an entertainment medium\n* Start of commercially viable "Talking Pictures" (motion pictures with sound tracks)\n* Beginning of surrealist movement\n* Beginning of the Art Deco movement Others World leaders\n* President Sun Yat-sen (Republic of China)\n* President Chiang Kai-shek (Republic of China)\n* President Paul von Hindenburg (Germany)\n* King Victor Emmanuel III (Italy)\n* Prime Minister Benito Mussolini (Italy)\n* President W.T. Cosgrave (Irish Free State)\n* President Mustafa Kemal (Turkey)\n* Emperor Hirohito (Japan)\n* Pope Pius XI\n* Vladimir Lenin (Soviet Union)\n* Joseph Stalin (Soviet Union)\n* King George V (United Kingdom)\n* Prime Minister David Lloyd George (United Kingdom)\n* Prime Minister Andrew Bonar Law (United Kingdom)\n* Prime Minister Stanley Baldwin (United Kingdom)\n* Prime Minister Ramsay MacDonald (United Kingdom)\n* President Woodrow Wilson (United States)\n* President Warren G. Harding (United States)\n* President Calvin Coolidge (United States) \nEntertainers\n* Charlie Chaplin\n* George Gershwin\n* Duke Ellington\n* Fletcher Henderson\n* Al Jolson\n* Jelly Roll Morton\n* Cole Porter\n* Bessie Smith\n* Rudy Vallee\n* Paul Whiteman Sports figures\n* Babe Ruth (U.S. baseball player) \n\n\n\n\n\n\n\n\n\n\n\nsimple:1920s\n\n\n\n
