Adalbert of Prague

Adalbert of Prague, born Vojtěch (c. 956–997), was bishop of Prague and a missionary martyr. Of the powerful Slavnik family of Bohemia, he studied at Magdeburg and became bishop in 982, while still under canonical age. Conflicts with Bohemian nobles drove him into retreat at Rome; after returning he founded Břevnov Abbey in 993.

Released from his see as a missionary bishop, he preached in Hungary and in March 997 joined Bolesław Chrobry at Gniezno before entering pagan Prussia, where tribesmen killed him on 23 April 997. Canonized in 999, he is a patron saint of Poland and Bohemia.