On 17 May 1798, two days before Napoleon’s fleet slipped out of Toulon and sailed swiftly across the Mediterranean towards Alexandria, a single tall-masted ship, this time a sleek East Indiaman, was tacking into the River Hooghly after seven months at sea. On board was a man who would change the history of India as much as Napoleon would change that of France; indeed, though his name is largely forgotten today, in the next seven years he would conquer more territory in India, and more quickly, than Napoleon conquered in Europe.