AT the opening of the nineteenth century the Holy Roman Empire of the German Nation still existed, after a thousand years of chequered life. Long decadent, it was now moribund, however, and perpetuated only in name an august sovereignty which at one time extended over a large part of the European Continent. Diverse in race, language, religion, and political forms, having no common bond in administration, law, justice, or military organization, the many parts of the imperial dominion were kept together in firm union only so long as they were subject to a strong rule, and when once the centre of authority had become weakened, decline and disintegration ran their certain course…