What is the oldest French eau de vie?

Armagnac is the oldest French eau de vie. Records of Armagnac production date back to 1310, when a prior from the town of Eauze named Vital Dufour sang the praises of an eau de vie known by the name of aygue ardente in a treatise entitled “A very useful book for keeping in good health and staying in shape,” now conserved in the Vatican.  It has had a rich history as an apothecary’s remedy. In time it became a beverage appreciated for its gustative qualities. Historically Armagnac has been a precious eau de vie, created on the margins of traditional wine production in the region.