Today is the feast day of St. Óscar Romero, fourth Archbishop of San Salvador. Like many saints in the Church, Romero’s feast day marks his dies natales, or birth day into eternal life—in other words, the day of his death. 41 years ago today, Romero was shot and killed as he was celebrating Mass. Romero was known for his impassioned preaching and his outspokenness against corruption, violence, and oppression. Here are three pieces to help you learn more about this remarkable martyr for the faith.