(Redirected from
Henry IV Probus)
Henry "Probus" ("the Righteous," c. 1253 - 1290) became Duke Henry IV of the Silesian territory of Wroclaw around 1270, and was senior prince of Poland from 1288 until his death.
In 1289 he founded the town of Wieliczka, famous for its spectacular
salt mine.
See also
