Béla III was a king of Hungary who reigned from 1172 to 1196. He was born in 1148 and was a member of the Árpád dynasty. His reign is noted for strengthening the kingdom's economy and political stability, as well as for fostering relationships with neighboring countries. During his rule, Béla III worked to improve trade and agriculture, which helped Hungary prosper. He also focused on building alliances through marriage, including his union with Margaret of France. Béla III's leadership contributed to Hungary's influence in Central Europe during the late 12th century.