US population is 117 million.
Cost of a first class stamp is 2 cents.
Bubbling Over wins the Kentucky Derby.
Richard Byrd flies to the North Pole.
Unemployment rate is 1.8 percent.
St. Louis Cardinals beat the NY Yankees to
win the World Series.
Chiang Kai-shek becomes leader of China’s Revolutionary party.
Auto antifreeze allows people to use cars year-round.
RCA, General Electric and Westinghouse establish
NBC radio.
The Book-of-the-Month Club is founded.
Pioneer choreographer Martha Graham, gives her first New York. performance, featuring 18 barefoot, evocatively costumed dancers.
Robert Goddard fires the first liquid fuel rocket.
US Marines land in Nicaragua to quell a revolt and stay seven years.
Hirohito is crowned emperor of Japan.
Norwegian Erik Rotheim invents aerosol sprays.
Pontiac cars are introduced.
Winnie the Pooh is published.
Legendary escape artist Harry Houdini dies at the age of 52 after being punched in the stomach by a fan.