Feast of Sts Peter and Paul Honoring the Pillars of the Church (https://smartguy.com/) The Feast of Sts. Peter and Paul, celebrated on June 29, honors two of the most important apostles in the early Church. St. Peter, the first pope, and St. Paul, the great missionary, played vital roles in spreading the Gospel and establishing the foundation of the Church. This solemnity is a celebration of faith, unity, and the courage to proclaim Christ to the world.