The Regent of Hungary was a position established in 1446 and renewed in 1920. It was held by Admiral Miklós Horthy until 1944. Under Hungary's Constitution there were two regents, one a regent of the ruling house, called the Nádor, and another called "Kormányzó" As the Entente had banned the legitimate Nádor from taking his place, the choice fell on electing a governor-regent. He was regent of the post World War I state called the Kingdom of Hungary (1920–46) and served as the head of state in the absence of a monarch, while a prime minister served as head of government. Horthy was styled "His Serene Highness the Regent of the Kingdom of Hungary".