Alabama became the 22nd state to join the United States of America.
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After invading Finland, the Soviet Union was kicked out of the League of Nations.
A British surgeon admitted to branding his initials on patients' livers.
The capital city of the Roman Empire, Constantinople, was severely damaged by an earthquake.
At 2 PM EST, there was a 10 minute moment of silence in memory of John Lennon.
A Norwegian expedition became the first to ever reach the geographical South Pole – led by Roald Amundsen.
