“Didn’t the Germans have an 80 mile gun over a hundred years ago?”
WWII, 47km, but it really didn’t get much use. The money they dumped into it could have been used better. And then they destroyed it so the soviets wouldn’t capture it.
https://en.wikipedia.org/wiki/Schwerer_Gustav
No, I am talking about Big Bertha of WWI. They shelled Paris from 75 miles away.