5 jul 1687 año - Newton Publishes "Principia"
Descripción:
 "Principia", which helped to lay the foundations of classical mechanics, was one of Isaac's first works. In this book, Newton clarified the idea of gravity, as well as naming a set of laws that would help describe the movement of all objects in our atmosphere, known as the "Laws of Motion". 
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5 jul 1687 año
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 ~ 338 years ago