Originally Posted by
etch5895
I'm a little confused...Hasn't the Rhein always been the border between Hessen and Rheinland-Pfalz, or did that only become so after WWII?
All the 11 states of West Germany were founded after WWII. The last 5 states of East Germany joined in 1990.
Hessen was founded on December, 1st 1946.
Rheinland-Pfalz was founded on August, 30st 1946 and the constitution passed in 1947.