• Rise of communism after World War I
• Youth culture of The Lost Generation; Flappers, Charleston, Bobbed Hair
• Economic boom ended by "Black Thursday" - October 24, 1929 - the stock market crashes, leading to the Great Depression
• Southern Ireland gains independence from the United Kingdom in 1922.
• First Labour Government of Ramsay MacDonald formed in the United Kingdom.
• Prohibition -- legal attempt to end consumption of alcohol in the USA
• Kellogg-Briand Pact to end war
• "The Jazz Age" -- Jazz and jazz-influenced dance music widely popular
• Rise of broadcast radio as an entertainment medium
• Start of commercially viable "Talking Pictures" (motion pictures with sound tracks)
• Beginning of surrealist movement
• Beginning of the Art Deco movement

World Leaders

• President Sun Yat-sen (Republic of China)
• President Chiang Kai-shek (Republic of China)
• President Paul von Hindenburg (Germany)
• King Victor Emmanuel III (Italy)
• Prime Minister Benito Mussolini (Italy)
• Emperor Hirohito (Japan)
• Pope Pius XI
• Vladimir Lenin (Soviet Union)
• Joseph Stalin (Soviet Union)
• King George V (United Kingdom)
• Prime Minister David Lloyd George (United Kingdom)
• Prime Minister Stanley Baldwin (United Kingdom)
• President Woodrow Wilson (United States)
• President Warren G. Harding (United States)
• President Calvin Coolidge (United States)

Entertainers

• Charlie Chaplin
• George Gershwin
• Duke Ellington
• Fletcher Henderson
• Al Jolson
• Jelly Roll Morton
• Cole Porter
• Bessie Smith
• Rudy Vallee
• Paul Whiteman