<p>War and austerity, unrest and revolution: the institution of monarchy has remained stalwart through every challenge levelled at it, but just what is its role and how secure is its future in our modern society?<br>At the beginning of the twentieth century, monarchy was by far the most common form of government: emperors sat on the thrones of Germany, Austria?Hungary, Persia, Japan, China, Russia and the Ottoman Empire, while there were kings of...