Stephen I was the first King of Hungary, reigning from 1000 to 1038. He is known for establishing the Christian state of Hungary and played a crucial role in converting the nation to Christianity. His efforts helped to unify the various tribes in the region under a centralized authority. Stephen I was canonized as a saint by the Catholic Church in 1083, and his feast day is celebrated on August 16. He is often regarded as a national hero in Hungary, symbolizing the country's early statehood and religious foundation. His legacy continues to influence Hungarian culture and identity today.