canonized_by death_date death_place canonized_date birth_place feast_day venerated_in patronage birth_date titles major_shrine image article_title name canonized_place
pope sylvester ii 23 april 997 truso kaliningrad oblast -lrb- elbląg , poland -rrb- , prussia or 999 libice nad cidlinou , bohemia 23 april roman catholic church eastern orthodox church poland , bohemia , hungary 956 bishop and martyr gniezno , prague szt-adalbert . jpg adalbert of prague
 st. adalbert of prague rome
adalbert of prague

st. adalbert of prague -lrb- czech : , , ; 956 23 april 997 -rrb- , was a bohemian missionary and christian saint .
he was the bishop of prague and a missionary to the hungarians , poles , and prussians , who was martyred in his efforts to convert the baltic prussians to christianity .
st. adalbert was later declared the patron saint of bohemia , poland , hungary and the former polity of prussia .
