American pioneer aviator Noel Wien founded Alaska's first airline, Wien Alaska Airlines Inc.
Newark Liberty International Airport opened, becoming the first airport in the New York City metropolitan area.
The Prussian government lifted a ban on Adolf Hitler's speeches.
Paul Galvin and his brother Joseph founded Motorola as the 'Galvin Manufacturing Co.' in Chicago, Illinois.
American actress Katherine Hepburn had her first stage performance in New York City, where she played in 'Night Hostess.'
A screening test of Walt Disney's ''Steamboat Willie” occurred featuring Mickey Mouse.
The world celebrated the introduction of sliced bread for the first time.
Scotsman John Logie Baird demonstrated the color television transmission in London for the first time.