| 1 | 1383 | - 1383—99 9999: Regular series of wills starts in Prerogative Court of Canterbury
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| 2 | 1387 | - 1387—1400: Chaucer begind writing the Canterbury Tales (d.1400)
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| 3 | 1399 | - 1399—1413: King Henry IV
King Henry IV ( 1399 - 1413 ) {\n}{\n}1399 - Henry returns from exile in France to reclaim his estates seized by Richard II; he claims the throne and is crowned. Richard is deposed and later imprisoned in Pontefract Castle.{\n}1400 - Richard dies from sel
- 9 1399—20 Mar 1413: Henry IV
House of Plantagenet, Lancastrian Line: Son of John of Gaunt, Duke of Lancaster, 4th son of Edward III. Chosen by Parliment as successor to Richard II.
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| 4 | 1400 | - 1400—1400: The first piano called the Spinet invented
- 1400—1400: First golf balls invented
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| 5 | 1411 | - 1411—1411: Trigger invented
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| 6 | 1412 | - 1412—1412: Foundation of the University of St Andrews
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| 7 | 1413 | - 1413—1422: King Henry V
King Henry V ( 1413 - 1422 ) {\n}{\n}1413 - Henry accedes to the throne at the age of 25 upon the death of his father, Henry IV{\n}1415 - Henry thwarts the Cambridge plot, an attempt by a group of nobles to replace him on the throne with his cousin, Edmun
- 3 1413—31 Aug 1422: Henry V
House of Plantagenet, Lancastrian Line: Eldest son of Henry IV, victor of Agincourt
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| 8 | 1415 | - 10 1415—25 Oct 1415: Battle of Agincourt
St. Crispin's Day
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| 9 | 1420 | - 1420—1420: Oil painting invented
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| 10 | 1421 | - 1421—1421: In Florence, hoisting gear invented
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| 11 | 1422 | - 1422—1461: King Henry VI
{\n}King Henry VI ( 1422 - 1461 ) {\n}{\n}1422 - Henry becomes King of England on the death of his father, Henry V, and then, two months later, King of France on the death of his grandfather, Charles VI.{\n}1422 - John, Duke of Bedford, is appointed Regen
- 1422—1422: Infant Hnery VI on thromne of England
He was 9 months old
- 9 Jan 1422—5 Mar 1461: Henry VI
House of Plantagenet, Lancastrian Line: 9-month old only son of Henry V, deposed 1461by Edward IV (Duke of York) after defeat of Lancastrians at Mortimer's Cross on Feb 2, 1461. Died in Tower
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| 12 | 1431 | - 1431—1431: Death of Joan of Arc
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1400 - 1435 (35 years)