Mieszko I of Poland was a significant historical figure who ruled from around 960 until his death in 992. He is known as the first historical ruler of the Polish state and played a crucial role in its formation. Mieszko I united various tribes and regions, laying the foundation for a centralized Polish kingdom. In 966, Mieszko I converted to Christianity, which helped strengthen his rule and foster closer ties with Western Europe. His marriage to Dobrawa of Bohemia further solidified these connections. Mieszko's reign marked the beginning of the Piast dynasty, which would lead Poland for several centuries.