Famous Deaths Happened In 1421

Mar 22 Thomas of Lancaster, 1st Duke of Clarence, second son of Henry IV of England (killed in battle) (b. 1388) died in the year 1421.  

May 26 On this day in history mohammed I, sultan of Turkey (1413-21), dies  

Jun 21 On this day in history death of jean Le Maingre, Marshal of France (b. 1366)  

Jul 25 In the year 1421 birth of henry Percy, 3rd Earl of Northumberland, English politician (d. 1461)  

Dec 06 Henry VI, king of England (1422-61, 1470-71) was born on this day in history.