Pope Leo XIV Begins Papacy with Inaugural Mass Calling for Unity, Peace, and Justice

The first American pope in the history of the Catholic Church, Pope Leo XIV Begins Papacy with Inaugural Mass Calling for Unity, Peace, and Justice. Pope Leo XIV, officially began his papacy on Sunday with a deeply symbolic and moving inauguration Mass in St. Peter’s Square. The 69-year-old Chicago-born pontiff, formerly Cardinal Robert Prevost, delivered a homily that resonated with over 200,000 gathered pilgrims, clergy, and world leaders, calling for a “united church” and a global effort for reconciliation and justice.

Pope Leo XIV Begins Papacy with Inaugural Mass Calling for Unity, Peace, and Justice

A Historic Papal Inauguration in St. Peter’s Square

The inauguration Mass marked the official start of Pope Leo XIV’s tenure as the 267th leader of the Catholic Church.

The service began with a traditional tour in the white pope mobile through St. Peter’s Square, as Pope Leo smiled, waved, and blessed the faithful including children and infants receiving warm cheers from the crowd.

This moment was steeped in tradition and reverence as the new pope visited the tomb of Saint Peter, the Church’s first pope, before being vested with the pallium, a lambswool stole symbolizing his role as a shepherd, and the Fisherman’s Ring, a centuries-old emblem of papal authority.

Pope Leo XIV’s Homily: A Plea for Global Unity

In his inaugural homily, Pope Leo XIV addressed the Catholic Church and the world with a humble and powerful message: “I would like that our first great desire be for a united church, a sign of unity and communion, which becomes a leaven for a reconciled world.”

He condemned global discord, prejudice, hatred, and economic systems that exploit the Earth and marginalize the poor.

The pope stressed that the Church must not be a tool of power but a vessel of Christ’s love: “It is never a question of capturing others by force, by religious propaganda or by means of power. Instead, it is always and only a question of loving, as Jesus did.”

A Pope of Tradition and Mission

While Leo XIV’s return to the red mozzetta a traditional papal cape was noted as a gesture to conservative Catholics, he echoed his predecessor Pope Francis in emphasizing mercy, openness, and a global mission of peace.

He declared: “Let us build a church founded on God’s love… a missionary church that opens its arms to the world.”

Pope Leo has a background as a missionary in Peru and expressed strong commitments to both social justice and the protection of Catholic tradition.

Global Dignitaries and Interfaith Leaders in Attendance

The Mass was attended by dignitaries from around the world, including US Vice President JD Vance, Ukrainian President Volodymyr Zelenskyy, Peruvian President Dina Boluarte, and German Chancellor Friedrich Merz. European royalty including Spain’s King Felipe and Queen Letizia were also present.

In an unprecedented show of interfaith unity, delegates from Christian denominations, Jewish rabbis, and Muslim, Hindu, Sikh, Buddhist, Jain, and Zoroastrian communities were also in attendance.

Meeting with Zelenskyy and Prayer for Peace

After the Mass, Pope Leo XIV met with President Zelenskyy. Although no Vatican statement has been released, Zelenskyy shared on X:

“We thank the Vatican for its willingness to serve as a platform for direct negotiations between Ukraine and Russia… We appreciate the support for Ukraine and the clear voice in defense of a just and lasting peace.”

In his concluding prayer, Pope Leo XIV specifically prayed for peace in Ukraine and Gaza, lamenting the suffering caused by war: “The martyred Ukraine is waiting for negotiations for a just and lasting peace… and Palestinians are reduced to starvation.”

Security, Scale, and Symbolism

Italian authorities deployed thousands of security officers, rooftop snipers, and anti-drone units to ensure safety for the grand-scale event. Giant screens and sanitary facilities were arranged for the 200,000 attendees.

The ceremony underscored the grandeur and continuity of Catholic tradition, even as the Church confronts modern challenges from clerical abuse scandals to debates on doctrine and identity.

A Human Touch: Family and Faith

A particularly emotional moment occurred when the pope warmly embraced his older brother, Louis Prevost, inside the basilica a break from strict protocol that touched many observers.

Louis, a self-described “MAGA-type,” represented the ideological breadth within the pope’s own family, perhaps reflecting the diversity of the global Church he now leads.

Looking Ahead: A Papacy of Challenge and Opportunity

Pope Leo XIV begins his papacy at a moment of significant global and ecclesiastical challenge. His first actions from a message of unity and love to bold prayer for peace have already set a hopeful, yet serious tone.

As the first American pope, Leo XIV brings a new chapter to the Vatican’s history. Whether he can reconcile the Church’s internal divisions while addressing pressing global issues remains to be seen. But on this historic day, his words, presence, and prayer resonated deeply across the world.

Also Read: Robert Francis Prevost Elected Pope Leo XIV: First American Pope in Catholic Church History

Also Read: Pope Leo XIV’s inauguration mass: What to expect on May 18 in Vatican City