1 Jadwiga of Poland(Queen of Poland (1384-1399))
Jadwiga of Poland reigned over the Kingdom of Poland as its first female monarch from 1384 until her death in 1399. Regarded as one of Poland's greatest rulers, Jadwiga is often compared to Casimir the Great and Bolesław the Brave. Also remembered for her charitable activities, Jadwiga of Poland established new schools, hospitals, and churches.