 For the successful execution of this task, he was appointed consul from the British government to the departments of Calvados and Seine, France.When Louis Napoleon led a military coup against the King of France, Featherstonhaugh almost single-handedly arranged and led the escape of the King and Queen through Le Havre to England to the delight of the British Government, Queen Victoria, and the public.Later, he spent much time writing and publishing the journals of his travels in the United States.