The Dalai Lama received political asylum in India after fleeing from China.
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German mathematician Carl Friedrich Gauss constructed the first heptadecagon using a ruler and a compass.
Swimmer Michael Phelps smashed the world record for the 200-meter butterfly swim at just 15 years old.
Hyman Lipman patented the pencil with an eraser on top.
The US adopted the 15th Amendment, guaranteeing citizens the right to vote.
Someone tried to shoot President Ronald Reagan.
