September 1440 in history

September 1440 events chronologically

Sep 15 Gilles de Rais, one of the earliest known serial killers, is taken into custody upon an accusation brought against him by the Bishop of Nantes

Died in September 1440

Sep 20 Frederick I Elector of Brandenburg Burgrave of Nuremberg as Frederick VI and Elector of Brandenburg as Frederick He was a son of Burgrave Frederick V of Nuremberg and Elisabeth of Meissen, and was the first member of the House of Hohenzollern to rule the Margraviate of Brandenburg.
Sep 23 Lorenzo the Elder an Italian banker of the House of Medici of Florence, the younger brother of Cosimo de' Medici the Elder and the founder of the so-called dei Popolani line of the family.
Sep 30 Reginald Grey 3rd Baron Grey de Ruthyn a powerful Welsh marcher lord, succeeded to the title on his father Reginald's death in July 1388.