St. Anselm, Bishop of Lucca

St. Anselm of Lucca was a Catholic saint and Bishop of Lucca, Italy. He was born around 1036 and died on March 18, 1086. Anselm was a strong advocate for the separation of church and state, and he opposed the practice of lay investiture, in which secular rulers appointed clergy. He was known for his piety, learning, and administrative abilities. Anselm is venerated as a saint in the Catholic Church, and his feast day is celebrated on March 18. He is the patron saint of Lucca and is invoked for protection against heresy.