What would happen if the British fleet ten minutes after Trafalgar appeared in the English Channel today?
Short answerThe ships would become urgent preservation objects, while the crews would need careful quarantine and vaccination planning.
NotesThe panel's first priority is to secure the ships as an unparalleled naval-history collection rather than let them be broken up. The crews would also require quarantine and medical assessment because they could bring diseases uncommon today and encounter infections unknown to them. The discussion notes that vaccination was not entirely alien to 1805 sailors: smallpox vaccination using cowpox had been introduced by Edward Jenner in the 1790s. The counterfactual therefore becomes a useful intersection of material preservation, naval medicine, and the practical treatment of historical people arriving in the present.