Historical Events in 640 AD May 28 Severinus begins his reign as Catholic Pope (elected in 638) Dec 24 John IV begins his reign as Catholic Pope Famous People Who Died in 640 AD Jul 18 Arnulf, bishop of Metz (614-640)/politician, dies at about 58 Aug 2 Severinus, Italian Pope (640), dies Nov 27 Saint Acharius of Noyon, French bishop of Noyon–Tournai, dies of natural causes 639 AD History by Year 641 AD