1409
Year 1409 was a common year starting on Tuesday of the Julian calendar.Events
January–December
Births
- January 16 - René of Anjou, king of Naples
- March 2 - Jean II, Duke of Alençon, son of John I of Alençon and Marie of Brittany
- March 12 - Isabella of Urgell, Duchess of Coimbra, Portuguese Duchess
- September 13 - Joan of Valois, Duchess of Alençon, French duchess
- October 7 - Elizabeth of Luxembourg
- October 21 - Alessandro Sforza, Italian condottiero
- date unknown - Bernardo Rossellino, Florentine sculptor and architect
Deaths
- May 13 - Jan of Tarnów, Polish nobleman
- May 22 - Blanche of England, sister of King Henry V
- July 25 - King Martin I of Sicily
- September 13 - Isabella of Valois, queen consort of England
- date unknown - Thomas Merke, English bishop
- probable - Edmund Mortimer, English rebel
