King Matthias, also known as Matthias Corvinus, was the King of Hungary from 1458 to 1490. He was born in 1443 and is remembered for his efforts to strengthen the kingdom and promote culture. Matthias was a patron of the arts and established the Corvinian Library, one of the largest libraries in Europe at the time. During his reign, King Matthias expanded his territory through military campaigns and diplomatic efforts. He is known for his conflicts with the Ottoman Empire and for his attempts to modernize the Hungarian army. His leadership left a lasting impact on Hungary's history and culture.