Edward Jenner spread around Europe and was used "en masse" in the Spanish Balmis Expedition (1803–1806), a three-year-long mission to the Americas, the Philippines, Macao, China, led by Dr. Francisco Javier de Balmis with the aim of giving thousands the smallpox vaccine. The expedition was successful, and Jenner wrote, "I don’t imagine the annals of history furnish an example of philanthropy so noble, so extensive as this." Napoleon, who at the time was at war with Britain, had all his French troops vaccinated, awarded Jenner a medal, and at the request of Jenner he released two English prisoners of war and permitted
Thomas Jenner bench as a Baron of the Exchequer. With the majority of the judges, Jenner gave judgment in favour of the king's claim to the dispensing power which was raised in the case of Sir Edward Hales. In October 1687 Jenner was appointed one of the three royal commissioners to inquire into the appointment of a president of Magdalen College, Oxford; the other commissioners were Robert Wright and Thomas Cartwright. Jenner's diary of the proceedings survived in the library of Magdalen College. Cartwright sought to have him dismissed from the commission, finding him too moderate if outwardly overbearing to the fellows,