Hyman Lipman patented the pencil with an eraser on top.
His patent included a metal ferrule to keep the eraser in place.
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An orbital-class rocket was successfully reused for the first time.
North Carolina repealed its controversial bathroom law that restricted transgender use.
The US adopted the 15th Amendment, guaranteeing citizens the right to vote.
The Heinkel He 100 fighter set a world airspeed record of 463 mph (745 km/h).
The Dalai Lama received political asylum in India after fleeing from China.