Johan Jakob von Daehn
1786–1859 (age 73)
Biography
Johan Jakob von Daehn (1786–1859) was a military engineer whose technical expertise served the defense and infrastructure needs of the region during the early 19th century. His professional contributions reflected the modernization efforts undertaken in Polish territories during this period of significant political change.
Daehn's career in military engineering spanned decades of European transformation, from the Napoleonic era through the establishment of the Congress Kingdom. His burial in Kozienice indicates his connections to this important regional center and his lasting impact on Polish military and civil engineering.