1411 CE - 1460 CE: Life of Richard, Duke of York.

1411 CE: Richard, future 3rd Duke of York, is born.

1422 CE - 1461 CE: First reign of Henry VI of England.

1429 CE: Richard, Duke of York marries Cecily Neville.

1436 CE: Tax records show that Richard, Duke of York is the richest man in England.

1436 CE - 1437 CE: Richard, Duke of York leads an army in France.

1440 CE - 1445 CE: Richard, Duke of york leads an army in France for a second time.

1442 CE: Birth of Edward of York, Earl of March, son of Richard, Duke of York and future Edward IV of England.

1447 CE: Richard, Duke of York is the king's lieutenant in Ireland.

1450 CE: There is a rebellion in England led by Jack Cade.

1452 CE: Richard, Duke of York launches a failed by marching his army to Dartford.

1452 CE: Birth of Richard, Duke of Gloucester, future Richard III of England, at Fotheringhay Castle.

1453 CE: Henry VI of England suffers his first episode of insanity.

1453 CE: Birth of Edward, the only son of Henry VI of England.

1454 CE: Richard, Duke of York is made Protector of the Realm.

1455 CE - 1487 CE: Wars of the Roses in England.

1455 CE: Richard, Duke of York imprisons his rival the Earl of Somerset in the Tower of London.

1455 CE: Richard, Duke of York wins the Battle of St. Albans and the Earl of Somerset is killed.

1455 CE: Richard, Duke of York is made the Protector of the Realm for a second time.

1458 CE: ‘Loveday’, Henry VI of England's attempt to reconcile the Yorkists and Lancastrians.

1459 CE: The 'Parliament of Devils' identifies Richard, Duke of York as a traitor. The duke flees to Ireland.

1459 CE: An army led by Queen Margaret defeats Richard, Duke of York at the Battle of Ludford Bridge.

1460 CE: A Yorkist army led by Richard Neville, the Earl of Warwick and Edward, Earl of March defeats Queen Margaret’s army at Northampton. Henry VI of England is captured.

1460 CE: The Act of Accord identifies Richard, Duke of York as the official heir of Henry VI of England.

1460 CE: Richard, Duke of York is killed at the Battle of Wakefield.