The real-life Henry V was the son of King Henry IV of England and succeeded him to the throne in 1413. The view of him as a very wild young man is based on William Shakespeare's fiction and not on real life; he fought against rebels and at the age of 16 was hit in the face by an arrow and wounded. He also helped in government due to his father's frail health.

Not long after becoming king, he decided to renew the Hundred Years War which his great-grandfather Edward III had started over the English kings' claim to the throne of France. The English forces won the battle of Agincourt and laid waste to a large area of northern France. When he reached the outside of Paris, the French were willing to make a peace settlement; at this Treaty of Troyes, Henry became heir to the throne of France rather than the son of the current French king. Henry married the French princess Catherine on 2 June 1420.

What Henry wanted to do next was lead a Crusade to reconquer Jerusalem from the Muslims, but he fell ill with dysentery while still in France and died on 31 August 1422 at the age of 35. He was succeeded by his eight-month-old son Henry VI.