In 1809 the reigning Ameer of Afghanistan, Shah Soojah-ul-Moolk, was dispossessed of his throne and an exile. Runjeet Singh, the Sikh ruler of Punjaub, plundered and imprisoned him at Lahore, and obtained from him the famous Koh-i-noor, the great diamond which is now among the crown jewels of Great Britain. Eventually Soojah escaped from Lahore and became a pensioner of the East India Company. For many years after the fall of Shah Soojah, anarchy...