Apple Inc became the largest company in the world.
On this day, its value reached over $600 billion.
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Arbor Day was celebrated for the first time in America in Nebraska.
Walter Hunt patented the safety pin.
The first photo of a black hole that was taken in 2017 was announced to the public.
A 14-year-old girl performed the world's first human cannonball in London, England.
The Statute of Anne became the UK's first copyright law.
