St. Edmund of East Anglia was a king and martyr who ruled in the early 9th century. He is best known for his resistance against Viking invasions and his eventual death in battle. After his defeat, he was captured and executed, becoming a symbol of Christian faith and bravery. His legacy is celebrated in various ways, including the establishment of the town of Bury St. Edmunds in Suffolk, where his shrine became a pilgrimage site. St. Edmund was canonized by the Catholic Church, and he is recognized as the patron saint of East Anglia.