mar 21, 1543 - In Nuremberg, De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres) is printed [8] during the illness of Nicholas Copernicus, offering mathematical arguments for the existence of the heliocentric universe, denying the geocentric model. According to legend, Copernicus, who had a stroke in December, is presented a copy of the book on his deathbed shortly before dying on May 24 in Frombork at the age of 70
Added to timeline:
Date:
mar 21, 1543
Now
~ 483 years ago