Quote Originally Posted by MacMillan of Rathdown View Post
The tune, with different lyrics was also, at one time, the anthem of Germany, Austria, and (I believe) for a short time Russia. Like Deutschland Uber Alles, it is based on a simple Christian hymn.
It is also the Royal Anthem of Norway and the Anthem of Lichtenstein.

As to Deutschland Uber Alles the tune was originally the Imperial anthem of Austria, composed by Joseph Haydn http://www.viennaonline-ezine.com/ai/ai0302.html although of course it's used as a hymn tune also.