The German Confederation was an loose association created by the Congress of Vienna in 1815 after the final defeat of Napoleon, to serve as successor to the German Holy Roman Empire. Revolutions in 1848 and attempts at an unification of a German state failed, resulted in brief re-establishment. Rivalry between Austria and Preussen over the rights to rule German lands, led to the Austro-Prussian War, also called Seven-Week War, in German it is called ''Deutscher Krieg'', ''Osterreichisch-preussischer Krieg'' or ''Bruderkrieg''.
**Westfalen (different from and significantly smaller than the former Napoleonic Kingdom of Westfalen)
*The Kingdom of Bayern (the third largest member)
*The Kingdom of Hannover