250 years after its publication, Edward Gibbon’s Decline and Fall of the Roman Empire remains the supreme meditation on the mortality of civilisations. Edward Gibbon (1737-1794) In the 1980s, German historian Alexander Demandt attempted to catalogue every explanation ever proposed for the fall of the Western Roman Empire in 476 CE. In ‘Der Fall Roms’ (1984), Demandt detailed more than two hundred causes that led to Rome’s collapse, from the eminently plausible to the positive