Apple Inc became the largest company in the world.
On this day, its value reached over $600 billion.
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The Titanic departed Southampton for its first and only journey.
Halley's Comet made its closest approach to Earth in recorded history.
The UK, Ireland, and Northern Ireland governments signed the Good Friday Agreement.
A 14-year-old girl performed the world's first human cannonball in London, England.
Walter Hunt patented the safety pin.
