On May 18, 2025, Pope Leo XIV, who recently became the first American to be elected pope, delivered his inaugural Mass in St. Peter's Square at the Vatican. During the ceremony, Pope Leo XIV addressed the congregation and the wider Catholic community, expressing his intention to work towards greater unity within the Catholic Church. He emphasized the importance of the Church serving as a sign of peace in the world. The event marks a significant moment in the history of the Catholic Church, as Pope Leo XIV's election represents a milestone for American Catholics and reflects the global nature of the Church. The pope's call for unity comes at a time when the Church faces various internal and external challenges, including differing perspectives among its members and broader issues affecting global peace. The inaugural Mass was attended by thousands of faithful, clergy, and dignitaries, underscoring the significance of the occasion.