History's lesson
Prussia, the largest German-speaking kingdom, does no longer exist because of wars.
https://historyguy.com/wars_of_prussia.htm
Alexander von #Humboldt traveled to #Paris and thanks to Aimé #Bonpland he published books that inspired Charles #Darwin.
https://americanart.si.edu/exhibitions/humboldt/online/alexander-von-humboldt-bonpland
Likewise, Wernher von Braun traveled to the enemy country and helped establish NASA.
