Astronomer Edwin Hubble formally announced the existence of other galactic systems at a meeting of the American Astronomical Society.
Peter Pan made his first on-screen appearance.
Judy Garland made her show business debut.
Adolf Hitler was freed from jail early.
USPTO received a trademark for the Kleenex brand name.
The New York Times published Edwin Hubble's discovery that the Andromeda 'nebula' is actually a galaxy.
The Statue of Liberty's fingers, which clasp the handle of her torch, was fully installed.
Mars had a 'close encounter' with Earth at 34.8 million miles apart.
The Ford Motor Company manufactured its ten millionth car.
The Indian Citizenship Act was signed into law.
The Royal Canadian Air Force was formed out of the Canadian Air Force.
The first state execution in the US was performed in the state of Nevada.
Mahatma Gandhi was released from prison after two years into his six-year sentence.
The first Winter Olympics medal was awarded to American Skater Charles Jewtraw after skating 5,000 meters in just 44 seconds.
The world's first Winter Olympics took place in Chamonix, France.
Ramsay MacDonald became the first Labour Prime Minister of the United Kingdom.
