Andreas Vesalius's revolutionary anatomical text neared completion in early 1543, overturning centuries of Galenic dogma with drawings based on human dissection.

Nicolaus Copernicus died in Frombork, Poland, months after his heliocentric masterwork reached print, quietly upending humanity's place in the cosmos.

Tokugawa Ieyasu, who would unify Japan and found the shogunate that ruled for over 250 years, was born in Mikawa Province.