May 13 In the year 1312 death of theobald II, Duke of Lorraine (b. 1263)
Jun 19 Piers Gaveston, earl of Cornwall, beheaded died in the year 1312.
Aug 27 In the year 1312 death of arthur II, Duke of Brittany (b. 1262)
Sep 17 Ferdinand V, king of Castile/Leon, dies at 26 on this day in history.
Oct 17 Jan II, duke of Brabant/Limburg (charter of Kortenberg), dies in the year 1312.
Oct 27 On this day in history death of john II, Duke of Brabant (b. 1275)
Oct 28 In the year 1312 death of elisabeth of Tirol, German queen