Original: Henry VI (6 December 1421 - 21 May 1471) was King of England from 1422 to 1461 and again from 1470 to 1471, and disputed King of France from 1422 to 1453.
Simplified: Henry VI (6 December 1421-21 May 1471) was King of England from 1422 to 1461 and then from 1470 to 1471. He was also the King of France from 1422 to 1453.