Mar 09 St Frances of Rome, Italian nun (b. 1384) died in the year 1440.
Sep 21 Frederik I van Hohenzollern, ruler Brandenburg (1417-40), dies at 68 in the year 1440.
Sep 30 Reginald Grey, 3rd Baron Grey de Ruthyn, English soldier and politician died in the year 1440.
Oct 26 In the year 1440 death of gilles de Rais, French marshal, killer of 140 children, hanged
Dec 22 Bluebeard, pirate, executed died in the year 1440.