In a time of terror for Europe's monarchs--imprisoned, exiled, executed--Napoleon's army marched toward Lisbon. Cornered, Prince Regent Jo o had to make the most fraught decision of his life. Protected by the British Navy, he fled to Brazil with his entire family, including his deranged mother, most of the nobility, and the entire state apparatus. Until then, no European monarch had ever set foot in the Americas.
Thousands made the voyage, but...