1591 in FranceEvents from the year 1591 in France.Incumbents Monarch - Henry IVEventsSiege of RouenBirthsMarch 15 - Alexandre de Rhodes, Jesuit missionaryDate UnknownGirard Desargues, mathematicianDeaths May 4 – Hugues Doneau, law professor.Date UnknownBarnabé Brisson, jurist and politician Noël du Fail, jurist and writer Edmond Auger, Jesuit Claude de Sainctes, Catholic controversialist