Pope Leo XIV, the first American pontiff, was formally inaugurated on Sunday in a vibrant Mass at St. Peter’s Square, attended by an estimated 250,000 pilgrims, hundreds of dignitaries, and global leaders, including U.S. Vice President J.D. Vance.
Cardinal Robert Francis Prevost, the Chicago-born former missionary elected on May 8 to lead the world’s 1.4 billion Catholics, began the day with a heartfelt tour of the square in his popemobile, waving to cheering crowds and blessing children, a gesture that echoed the warmth of his predecessor, Pope Francis.
The historic ceremony, broadcast live to millions and marked by multilingual hymns in English, Spanish, and Quechua, cemented Leo XIV’s mission of peace, inclusivity, and Church unity, while his American roots and Peruvian ties brought a unique global resonance to a papacy poised to address pressing world crises.
The open-air Mass, concelebrated by 133 cardinal electors under a clear Roman sky, saw St. Peter’s Square adorned with American, Peruvian, and Vatican flags, reflecting Prevost’s dual heritage, per Vatican News.
Vance, joined by leaders like French President Emmanuel Macron, UN Secretary-General António Guterres, and Peruvian President Dina Boluarte, represented the U.S., where 71 million Catholics form a fifth of the global Church, per Pew Research.
The presence of Chicago Mayor Brandon Johnson, who declared May 8 “Pope Leo XIV Day,” added a hometown touch, per NBC Chicago.
Prevost, clad in a simple white cassock and pallium, received the fisherman’s ring, symbolizing his Petrine ministry, from Cardinal Giovanni Battista Re, per Catholic News Agency.
His homily, delivered in three languages, reiterated calls for peace in Gaza and Ukraine, urging, “Let us be artisans of hope, not division,” per Reuters.
Prevost’s journey to the papacy, from a Chicago upbringing to 13 years as a missionary in Peru’s Andes, shaped the ceremony’s tone.
His fluency in Quechua, spoken during prayers, moved Peruvian pilgrims like Maria Quispe, who told AP News, “He carries our heart to the world.” The Mass honored his Augustinian roots, with hymns from the Order of St. Augustine, and his time as Bishop of Chiclayo (2015–2023), where he championed indigenous rights, per EWTN News.
Yet, his past opposition to women’s ordination and unaddressed allegations of mishandling Peruvian clergy abuse cases, raised in March 2025, drew quiet protests from groups like the Women’s Ordination Conference outside the square, per The Guardian.
The inauguration followed a week of bold moves. On May 11, Leo’s Regina Caeli address prioritized humanitarian aid for Gaza’s 1.9 million displaced and Ukraine’s ceasefire talks, per UNHCR and your earlier query.
His May 10 visit to Bambino Gesù Children’s Hospital and $500,000 aid for Sudanese refugees showcased a hands-on approach, per AP News. Retaining Francis’s aides, like Cardinal Pietro Parolin, signals continuity, though his American identity—celebrated with a White Sox jersey gift but debated by Latin American skeptics wary of U.S. influence—adds complexity, per CNN’s Christopher Lamb. On X, @VaticanNews hailed “a new era,” while @CatholicTruth2 cautioned against “doctrinal drift.”
The Mass, with 6,000 media and tight security including anti-drone measures, per BBC News, was a global spectacle. Leo’s call for Church unity, addressing a 34% traditionalist U.S. Catholic bloc, per Pew, aims to bridge divides as he prepares for his May 21 general audience.
For Nigeria, hosting the Rabat Process, Leo’s peace advocacy offers diplomatic inspiration, akin to U.S.-mediated truces. As Leo XIV begins his pontificate, his blend of American pragmatism, Peruvian empathy, and Francis’s compassion sets a hopeful yet challenging course for a Church and world in need of healing.
What you should know
Pope Leo XIV’s inauguration Mass, attended by global leaders like J.D. Vance and 250,000 faithful, marked the first American pontiff’s formal start, blending peace calls for Gaza and Ukraine with a nod to his Chicago and Peruvian roots.
His early actions signal a papacy of service and unity, but past controversies and ideological divides pose hurdles.
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