The decline of duelling coincided with the rise of modern mass spectator sport. For some enterprising Edwardians, the opportunity to combine the two was simply too tempting to resist — England’s last fatal duel, fought purely as a matter of honour, was contested on the 19th October 1852. The duellists, Frenchmen both, had developed an enmity while living in exile from the Second Republic of Napoleon III. More proximately, and perhaps more relatable to modern readers, Duellist 1, Emmanuel Barthélemy…