King Henry V of England dies of dysentery while in France. His son, Henry VI, becomes King of England at the age of nine months.

Henry V, also called Henry of Monmouth, was King of England from 1413 until his death in 1422. Despite his relatively short reign, Henry's outstanding military successes in the Hundred Years' War against France made England one of the strongest military powers in Europe. Immortalised in Shakespeare's "Henriad" plays, Henry is known and celebrated as one of the greatest warrior-kings of medieval England.

Dysentery, historically known as the bloody flux, is a type of gastroenteritis that results in bloody diarrhea. Other symptoms may include fever, abdominal pain, and a feeling of incomplete defecation. Complications may include dehydration.

Henry VI was King of England from 1422 to 1461 and 1470 to 1471, and disputed King of France from 1422 to 1453. The only child of Henry V, he succeeded to the English throne at the age of eight months, upon his father's death, and to the French throne on the death of his maternal grandfather, Charles VI, shortly afterwards.