Georgy Malenkov succeeded Joseph Stalin as leader of the Soviet Union.
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Felix Hoffmann patented one of the world's most common drugs, Aspirin (acetylsalicylic acid).
A circus performer patented the modern trampoline.
Athlete Tom O'Hara smashed a world record by running 1 mile in just 3 minutes and 56.4 seconds.
NASA's Dawn probe became the first spacecraft to orbit a dwarf planet.
The first US telecast was made from an airplane flying over New York City.
