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Apr 30, 1543
Copernicus Publishes his heliocentric Theory Of the Universe
Copernicus publses his theory that the earth rotates around the sun. -
Apr 30, 1582
Pope Gregory Xlll creates the Gregorian Calender
Pope Gregory created the calender system we use today. -
The First Reflecting Telescope was built by newton
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The First People On Moon
Buzz Aldrin and Neil Armstrong are the first people to land on the moon. -
The US Viking Probes land on Mars
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Construction Begins On the International Space Station
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First Visual Proof Of The Existence Of Black Holes
Images are published of a black hole 2.7 Million Light Years away.