Henry V was the King of England from 1413 to 1422. He is best known for his military successes, particularly the Battle of Agincourt during the Hundred Years' War. Henry V is also remembered for his leadership and charisma, as well as his efforts to unite England and France through his marriage to Catherine of Valois. He is a prominent figure in English history and has been immortalized in literature, including in William Shakespeare's play "Henry V."