On this date in 1535, as a 25-year-old religious dissident named John Calvin fled Paris, the merchant who had hosted his circle’s Protestant salons was reduced to ashes in Paris.
Though France would ultimately remain Catholic, the Protestant Reformation found rich soil and enjoyed a measure of early official tolerance for reasons of statecraft.
But a sharp crackdown was provoked when Protestants engineered the placement of anti-Catholic posters in several towns during a single night in October 1534 — the so-called Affair of the Placards.
This spelled the end of the circle of dissidents who met at the Rue Saint-Martin.* Young Calvin high-tailed it out of town — a period of wandering and living incognito that would wash him up on the shores of Lake Geneva — but the owner of that Rue Saint-Martin house, Etienne de la Forge (aka Stephanus Forgeus) was denounced to the authorities.
The date for this execution comes from The Century of the Renaissance, a public domain book available free from Google. It’s also backed in the roster of execution dates from Michelet’s Histoire de France. This looks to me as if it comes from primary documentation, but Feb. 15 is sometimes also reported.
* Calvin apparently had an appointment during this period in Paris to meet a scholar he would later execute, Michael Servetus, but the tete-a-tete never came off.