The beginning of the nineteenth century was a time of audacious enterprises and strange vicissitudes of fortune. Whilst Western Europe in turn submitted and struggled against a sub-lieutenant who made himself an emperor, who at his pleasure made kings and destroyed kingdoms, the ancient eastern part of the Continent; like mummies which preserve but the semblance of life, was gradually tumbling to pieces, and getting parcelled out amongst bold adventurers who skirmished over its ruins.