1929

Serbo-Croat-Slovene Kingdom becomes Yugoslavia
Forced collectivization of Soviet agriculture begins
Leon Trotsky expelled from Russia

U.S. stock market building
Worldwide economic depression
U.S. stock market crash
1st coast-to-coast air service in US
Museum of Modern Art opens in New York City
Construction begins on the Empire State Building
The "St. Valentine's Day Massacre" (gang murders) in Chicago
Hemingway's A Farewell to Arms
Erich Maria Remarque's All Quiet on the Western Front
Hydroponics introduced
1st electroencephalogram
1st Academy Awards - Best Picture "Wings"
Radio show - "Amos and Andy"
Martin Luther King, Jr., Claes Oldenburg, Beverly Sills, Anne Frank, Arnold Palmer, Grace Kelly, Audrey Hepburn, Sterling Moss and Dick Clark born
Carl Benz, Georges Clemençeau, Sergei Diaghilev and Lilly Langtry die