1600s / 17th century history on the 5th of July

1687 : iSAAC NEWTON published Philosophiæ Naturalis Principia Mathematica aka PRiNCiPiA, one of the most important works in the history of science. The 3 books written in Latin states Newton’s laws of motion, which formed the foundation of classical mechanics, Newton’s law of universal gravitation, and a derivation of Johannes Kepler’s laws of planetary motion.