Pope Leo XIV speaks at the Presidential Palace in Baabda, Lebanon, on Nov. 30, 2025. / Credit: Vatican Media/Screenshot

Beirut, Lebanon, Nov 30, 2025 / 11:20 am (CNA).

Pope Leo XIV urged Lebanon’s leaders to embrace tenacity, dialogue, and a renewed commitment to the common good during an address at the Presidential Palace in Baabda on Sunday, continuing his weeklong apostolic journey to Turkey and Lebanon.

The trip, focused on Christian unity, regional stability, and the Church’s mission in the Middle East, has taken the Holy Father from historic encounters in Istanbul to a nation still recovering from political crisis and the 2023–2024 war.

“Blessed are the peacemakers,” the pope began, adding that peace “takes tenacity” and “perseverance to protect and nurture life.” His remarks came as Lebanon seeks stability after years of political paralysis, economic collapse, and the lingering trauma of regional conflict.

The Presidential Palace, overlooking Beirut and built in 1956, hosted its first papal address since Parliament elected Joseph Aoun on Jan. 9 as Lebanon’s 14th president after more than two years without a head of state. A Maronite Christian and career army officer born in Beirut in 1964, Aoun welcomed Pope Leo for a ceremony that included a traditional dabke dance and the planting of a “cedar of friendship” in the palace gardens alongside Vatican and Maronite Church leaders.

Pope Leo acknowledged the difficulty of governing “in circumstances that are highly complex, conflictual, and uncertain,” but praised the resilience of the Lebanese people. “You are a people who do not give up,” he said, noting the many who work for peace quietly each day.

He described Lebanon as “a community of communities, united by a common language: hope,” at a time when many parts of the world face rising pessimism, instability, and decisions made “to the detriment of the common good.” Despite the burden of crisis and what he called “an economy that kills,” he said Lebanon has repeatedly shown its capacity to “start again.”

The pope urged the country’s leaders to remain close to their people, emphasize the role of youth and civil society, and resist reducing national life to competing interests. “The common good is more than the sum of many interests,” he said.

Reconciliation, he stressed, is indispensable. Wounds — personal and collective — require time and courage to heal, he said, warning that without this process “we would remain stuck, each imprisoned by our own pain.” Dialogue, even amid misunderstandings, is “the path.”

Pope Leo spoke of the sorrow caused by emigration and the courage required to remain or return. He highlighted the contributions of women, whom he called uniquely gifted in “the work of peacemaking.”

Closing his address, the pope reminded Lebanon that peace is not only a human achievement but also a gift that shapes the heart and teaches people to “harmonize our steps with those of others.” Peace, he said, “is a desire and a vocation; it is a gift and a work in progress.”

Following the ceremony at Baabda, Pope Leo was scheduled to travel to Harissa, where he will stay at the Apostolic Nunciature. On Monday morning he will begin his day with a prayer visit to the tomb of St. Charbel Makhlouf at the Monastery of St. Maroun in Annaya.

Pope Leo XIV talks to reporters during his flight to Lebanon on Nov. 30, 2025. / Credit: Elias Turk/EWTN News

Beirut, Lebanon, Nov 30, 2025 / 10:15 am (CNA).

Pope Leo XIV said Sunday that he discussed both the Gaza war and the conflict in Ukraine directly with Turkish President Recep Tayyip Erdogan, saying that the two leaders found common ground on key points and that Ankara could play a significant role in new peace efforts.

Leo told journalists on his flight from Turkey to Lebanon that Erdogan agrees with the Holy See’s long-standing support for a two-state solution to the Israel-Palestine conflict and could help advance emerging proposals aimed at ending the war in Ukraine.

“We spoke about both situations,” the pope said. “The Holy See has publicly supported, for several years, the proposal of a two-state solution. Israel at this moment does not accept it, but we see it as the only solution that could bring an end to this conflict. We are also friends of Israel, and we try to be a mediating voice between both sides.”

Pope Leo said Erdogan “agrees with this proposal” and stressed that Turkey “has an important role it could play,” both in Gaza and in efforts to ease the war in Ukraine. He noted that Turkey previously helped broker the Black Sea grain corridor, which allowed Ukraine to export food supplies safely through the war zone before the agreement collapsed in 2023. Now, he said, “there are concrete proposals for peace,” and Erdogan’s contacts with Kyiv, Moscow, and Washington could help advance “dialogue, a ceasefire, and a way to resolve this conflict.”

The pope’s comments came at the midpoint of his apostolic journey to Turkey and Lebanon, a trip he has framed as an appeal for peace across a region marked by conflict, displacement, and deep political fractures.

Looking back on his days in Turkey, Pope Leo said his meetings and liturgies were marked by a spirit of “simplicity and profundity,” noting especially Friday’s commemoration in Iznik for the 1,700th anniversary of the Council of Nicaea. He also celebrated Sunday morning’s Divine Liturgy with Ecumenical Patriarch Bartholomew I, considered first among equals among Eastern Orthodox bishops, calling it “a wonderful celebration.”

He highlighted Turkey’s Christian minorities as a reminder that peaceful coexistence is possible even amid differences. At the same time, he acknowledged that Turkey has “experienced difficult moments in this regard throughout its history.”

The Holy Father also disclosed ongoing ecumenical discussions about 2033, marking 2,000 years since the Redemption. Church leaders, he said, are considering a shared Christian gathering for the anniversary, possibly in Jerusalem.

Shortly after speaking to reporters, Pope Leo landed in Beirut to begin the Lebanon leg of his journey, where he is expected to address the country’s political paralysis and encourage a population still recovering from war and economic collapse.

Pope Leo XIV arrives in Lebanon on November 30, 2025. / Vatican Media

Beirut, Lebanon, Nov 30, 2025 / 08:32 am (CNA).

The sky over Lebanon — once dominated by missile exchanges and relentless air raids during the 2023–2024 conflict between Hezbollah and Israel — opened Sunday not to warplanes but to the aircraft carrying Pope Leo XIV. Touching down in the Land of the Cedars, the Holy Father begins a mission to preach the Gospel of peace to a nation long wounded by conflict and instability.

Fighting along Lebanon’s southern border reignited in October 2023 as a spillover of the Gaza war. Hezbollah, a Shia militia supported by Iran and formed after the 1982 Israeli invasion of Lebanon, became the principal actor in the renewed confrontation with Israel. Although a fragile agreement in late November 2024 reduced hostilities, intermittent violence has continued, and the ceasefire remains uncertain until United Nations Resolution 1701 — requiring Hezbollah’s withdrawal north of the Litani River — is fully implemented.

After landing in Beirut, the pope’s motorcade was scheduled to travel toward the presidential palace through one of the most politically sensitive areas in the country. Dahieh, the Hezbollah stronghold in southern Beirut, has endured heavy bombardment and a series of assassinations over the past year. Hezbollah’s longtime secretary-general Hassan Nasrallah and his potential successor Hashem Safieddin were killed in separate strikes in 2024. As recently as Nov. 23, an Israeli air raid in the suburb killed a local commander and five others and wounded 28.

Despite the tensions, several Shia clerics have publicly welcomed Pope Leo’s visit, and Dahieh’s municipalities have invited residents to greet him along the motorcade route.

Lebanon’s wounds extend beyond its most recent conflict. Years of political paralysis and economic collapse have left the country deeply weakened. Mass protests erupted in 2019 against corruption and sectarianism, while the COVID-19 pandemic and the catastrophic Beirut port explosion in August 2020 compounded the suffering.

Historically a crossroads between Christianity and Islam, Lebanon remains a mosaic of communities bound together by a shared but fragile national identity. Christians — including Maronites, Greek Orthodox, Melkite Catholics, and Armenians — continue to play a vital role in cultural and social life, even as emigration and instability have reduced their numbers.

Lebanon’s confessional political system, established during the French Mandate and formalized in the unwritten National Pact of 1943, divided power among the country’s religious communities. While intended to preserve coexistence, the arrangement also entrenched sectarian rivalry. The Lebanese Civil War (1975–1990), fueled by the Arab-Israeli conflict and the massive influx of Palestinian refugees, left an estimated 150,000 dead and reshaped the country’s political landscape.

The Ta’if Agreement of 1989 ended the war by rebalancing power between Christians and Muslims and curbing the authority of the Maronite presidency. But it did not resolve the underlying challenges of corruption, foreign interference, and sectarian fragmentation. Syrian troops, deployed as peace guarantors, remained until 2005.

Today, the Land of the Cedars remains a delicate patchwork of identities, hopes, and unresolved tensions. Into this complex and wounded landscape, Pope Leo arrives as a pilgrim of peace, offering a message of reconciliation and renewal for a country longing for stability and a future grounded in justice and mutual trust.

Pope Leo XIV meets with Armenian Patriarch Sahak II Mashalian at the Armenian Patriarchate of Constantinople in Istanbul, Turkey, on Nov. 30, 2025. / Credit: Vatican Media

Istanbul, Turkey, Nov 30, 2025 / 04:50 am (CNA).

Pope Leo XIV dedicated the final morning of his visit to Turkey on Sunday to strengthening ties with the Armenian Apostolic Church, thanking God for “the courageous Christian witness of the Armenian people throughout history, often amid tragic circumstances.”

The pope addressed the faithful at the Armenian Apostolic Cathedral in Istanbul, highlighting the deepening relationship between the Catholic Church and the Armenian Apostolic Church and recalling key milestones in their modern ecumenical journey.

The visit to the cathedral, seat of the Armenian Patriarchate of Constantinople, formed part of a day marked by prayer, dialogue, and reflection as the pope concluded the Turkey leg of his first international apostolic journey, which continues next in Lebanon.

Armenians are one of Turkey’s oldest Christian communities, with roots stretching back to the early centuries of Christianity. Their history includes periods of flourishing as well as profound suffering, especially the mass deportations and killings under the Ottoman Empire in 1915, which Pope Francis termed a genocide. Today, a small Armenian minority remains in Turkey, centered largely in Istanbul, where the Armenian Patriarchate continues to serve as their spiritual and cultural anchor.

Relations between the Catholic and Armenian Apostolic Churches have grown steadily in recent decades. In 1967, Catholicos Khoren I became the first primate of an Oriental Orthodox church to visit the bishop of Rome, then Paul VI. Three years later, Catholicos Vasken I and Paul VI signed the first joint declaration between their churches, urging Christians “to rediscover themselves as brothers and sisters in Christ with a view to fostering unity.”

While the Armenian Patriarchate of Constantinople is autonomous in its internal governance, it recognizes the spiritual primacy of the Catholicos of All Armenians in Echmiadzin. The cathedral remains a central spiritual home for Turkey’s Armenian community.

Marking the 1,700th anniversary of the First Council of Nicaea, the pope stressed the unifying force of the Nicene Creed. “We must draw from this shared apostolic faith in order to recover the unity that existed in the early centuries between the Church of Rome and the ancient Oriental churches,” he said. Full communion, he added, “does not imply absorption or domination, but rather an exchange of the gifts received by our churches from the Holy Spirit.”

Pope Leo also honored Armenian saints, especially the 12th-century Catholicos and poet Nerses IV Shnorhali. “May the example of St. Nerses inspire us and his prayer strengthen us on the path to full communion,” he said, noting the recent commemoration of the 850th anniversary of Shnorhali’s death.

Patriarch Sahak II Mashalian welcomed the pope to the cathedral for a program that included prayer, liturgical chanting, a welcome address, the pope’s remarks, an exchange of gifts, a blessing, and a final hymn. The pope concluded the visit by blessing a commemorative plaque at the cathedral entrance.

Liturgy with Bartholomew

Later in the day, Pope Leo XIV moved to the Orthodox Patriarchal Church of St. George for the Divine Liturgy of the feast of St. Andrew, patron of the Ecumenical Patriarchate and of Turkey. He addressed the faithful, acknowledging unresolved tensions between Christian churches.

“There are still obstacles preventing us from achieving full communion. Nevertheless, we must not relent in striving towards unity,” he said, urging all Orthodox churches to participate actively in this effort.

The pope also addressed global challenges, calling Christians to be peacemakers amid war and unrest. “Peace must be sought through prayer, penance, contemplation, and nurturing a living relationship with the Lord,” he said. He appealed for renewed care for creation, warning that the ecological crisis demands “spiritual, personal, and communal conversion.”

Speaking about technology, he encouraged Catholics and Orthodox to cooperate “in promoting their responsible use… ensuring their benefits are not reserved to a small number of people or the interests of a privileged few.”

He ended with a broad call to collaboration: “All Christians, the members of other religious traditions, and all men and women of goodwill can cooperate harmoniously in working together for the common good.”

After the liturgy, Pope Leo XIV gave an ecumenical blessing with Ecumenical Patriarch Bartholomew I. The two were scheduled to have lunch before a farewell ceremony for the pope at Atatürk Airport. According to a source in the partriarcate, the menu was to include shrimp soup, seabass with vegetables, and Turkish delights. He was then scheduled to depart for Lebanon, continuing a journey marked by efforts to deepen Christian unity and renew the shared responsibility flowing from the Nicene faith.

ISTANBUL (CNS) -- As he had done throughout his visit to Turkey, Pope Leo XIV spent his last morning in the country reaffirming the Catholic Church's commitment to the search for Christian unity.

The key symbol of that was the pope's presence at the Divine Liturgy celebrated by Orthodox Ecumenical Patriarch Bartholomew of Constantinople Nov. 30, the feast of St. Andrew, patron of the patriarchate.

For decades the popes and patriarchs have sent delegations to each other's patronal feast celebrations -- the Vatican's celebration of the feast of Sts. Peter and Paul June 29 and the patriarchate's celebration of St. Andrew's feast Nov. 30.

St. Peter and St. Andrew were brothers and were the first of the 12 Apostles to be called by Jesus.

After the liturgy, the pope and patriarch went to a balcony where they jointly blessed the people gathered below. 

Patriarch Bartholomew had been present at most of the events on Pope Leo's itinerary in Turkey, including the meeting in Ankara Nov. 27 with Turkish President Recep Tayyip Erdogan and government and civic officials. The patriarch hosted the commemoration of the 1,700th anniversary of the Council of Nicaea Nov. 28, and he attended Pope Leo's Mass for the country's Catholic communities Nov. 29.

At the liturgy Nov. 30 in the Patriarchal Cathedral of St. George, Pope Leo spoke about how for 60 years Catholics and Orthodox have followed "a path of reconciliation, peace and growing communion." 

The increasingly cordial relations have been "fostered through frequent contact, fraternal meetings and promising theological dialogue," he said. "And today we are called even more to commit ourselves to the restoration of full communion."

Especially important work has been done by the Joint International Commission for Theological Dialogue between the Catholic Church and the Orthodox Church, the pope said, but he noted that tensions among the Orthodox churches have led some of them to suspend their participation.

The commission's last plenary session was held in Egypt in 2023; the most noticeable absence was that of the Russian Orthodox Church, which broke relations with the Ecumenical Patriarchate in 2018 when the patriarch recognized the autonomy of the Ukrainian Orthodox Church.

Pope Leo used his greeting at the Divine Liturgy to confirm that, "in continuity with the teaching of the Second Vatican Council and my predecessors," the pursuit of full communion among Christians "is one of the priorities of the Catholic Church. In particular, it is one of the priorities of my ministry as Bishop of Rome, whose specific role in the universal Church is to be at the service of all, building and safeguarding communion and unity."

In his homily at the liturgy, Patriarch Bartholomew restated the Orthodox commitment to unity and called for common Christian efforts to protect the environment and to end wars.

"We cannot be complicit in the bloodshed taking place in Ukraine and other parts of the world and remain silent in the face of the exodus of Christians from the cradle of Christianity" in the Holy Land, the patriarch said. 

Pope Leo's day had begun with a visit to Archbishop Sahak II Mashalian, the Armenian Apostolic patriarch of Constantinople, at his cathedral in Istanbul.

The celebrations of the 1,700th anniversary of the Council of Nicaea and its statement of faith that formed the basis of the Nicene Creed, are an affirmation that "we must draw from this shared apostolic faith in order to recover the unity that existed in the early centuries between the Church of Rome and the ancient Oriental Churches," the pope said.

"We must also take inspiration from the experience of the early church in order to restore full communion," he said; the goal is "a communion which does not imply absorption or domination, but rather an exchange of the gifts received by our churches from the Holy Spirit for the glory of God the Father and the edification of the body of Christ."

While Pope Leo paid tribute to "the courageous Christian witness of the Armenian people throughout history, often amid tragic circumstances," he was not more explicit about the politically sensitive subject of what many call the "Armenian genocide," when an estimated 1.5 million Armenians killed by Ottoman Turks in 1915-18.

Mardik Evadian, a local business owner who was present for the pope's visit, told reporters that for Armenians in Turkey "it is not important" that the pope use the word "genocide."

Armenians know what happened and remember their loved ones who were killed, he said, "but we are living in this country; maybe in old times there were pogroms, but now it is peacetime."
 

Pope Leo XIV celebrates Mass at the Volkswagen Arena in Istanbul, Turkey, on Nov. 29, 2025. / Credit: Vatican Media/Screenshot

Istanbul, Turkey, Nov 29, 2025 / 11:20 am (CNA).

Pope Leo XIV marked the start of Advent on Saturday with an appeal for unity and peace, telling thousands gathered for Mass in Istanbul that Christians “journey as if on a bridge that connects earth to heaven,” keeping their eyes “fixed on both shores” until they are united “in the house of the Father.”

The pope celebrated Mass on Nov. 29 at the Volkswagen Arena, a large multipurpose venue within Istanbul’s Uniq cultural complex. The liturgy, held on the eve of the feast of St. Andrew, patron of Turkey, took place during the third day of his first international apostolic trip, which has brought him to Turkey and will soon continue on to Lebanon.

In his homily, the pope reflected on the beginning of Advent, saying it prepares believers “to experience anew at Christmas the mystery of Jesus, the Son of God, begotten, not made, consubstantial with the Father.” Drawing on the first reading from Isaiah (Is 2:1–5), he invited the faithful “to ascend the mountain of the Lord,” which he described as an image of divine light and peace.

Leo pointed to two key images in the reading. The first was the mountain “established as the highest of the mountains,” which he said reminds Christians that God’s gifts “are a gift not only for us, but for everyone.” He cited examples of evangelizing witness: St. Peter meeting Christ through St. Andrew’s enthusiasm, and St. Augustine coming to the faith through St. Ambrose. Recalling a line from St. John Chrysostom — “The miracle happens and passes, but the Christian life remains and continually edifies” — he urged the faithful to “keep watch” with prayer, charity, and spiritual vigilance.

The second image was the prophet’s vision of peace: “They shall beat their swords into plowshares… neither shall they learn war any more.” The pope said the message is especially urgent today, calling the Church to be a sign of reconciliation in a world marked by conflict.

Turning to the theme of bridges, Leo noted that the logo for his visit to Turkey features the Bosporus Bridge, which joins Asia and Europe. He said the image points to three essential “bridges of unity”: within the Catholic community, in relations with other Christians, and in dialogue with other religions.

The pope highlighted the four Catholic traditions present in Turkey — Latin, Armenian, Chaldean, and Syriac — calling them “a catholicity that unites.” Unity, he said, “needs care, attention, and maintenance.” Quoting Christ’s prayer “that they may all be one,” he appealed again for Christian unity and encouraged believers to be peacemakers.

The diversity of Turkey’s Catholic community was visible in the liturgy. A choir of about 200 members represented the country’s four rites. Scripture readings and prayer intentions were offered in Turkish, Aramaic, Syriac, English, Armenian, and Arabic, reflecting the multilingual and multicultural character of local Catholics.

On Sunday afternoon, the pope will depart Turkey for the second leg of his apostolic journey in Lebanon. Before leaving Istanbul, he is scheduled to participate in several ecumenical events in the morning.

Pope Leo XIV and Ecumenical Patriarch Bartholomew I of Constantinople sign a joint declaration at the Palace of the Ecumenical Orthodox Patriarchate in Istanbul, Turkey, on Nov. 29, 2025. / Credit: Vatican Media

Istanbul, Turkey, Nov 29, 2025 / 10:07 am (CNA).

Pope Leo XIV and Ecumenical Patriarch Bartholomew I of Constantinople said on Saturday they are “deeply alarmed by the current international situation,” issuing a joint appeal for peace.

The appeal took place during the pope’s first international trip, a journey that has taken him to Turkey and will continue on to Lebanon.

The two leaders signed a joint declaration at the Palace of the Ecumenical Orthodox Patriarchate in Istanbul. The text rejects the use of religion to justify violence, urges global efforts toward peace, supports cooperation among believers of different faiths, and entrusts a suffering world to God with renewed hope in the Holy Spirit.

The pope and the patriarch, who is considered first among equals among Eastern Orthodox bishops, reaffirmed their shared commitment to dialogue aimed at restoring full communion between the Catholic Church and the Orthodox churches. Calling Christian unity a gift from God, they encouraged clergy and faithful to pray and work for the fulfillment of Christ’s prayer “that they may all be one.”

Marking the 1,700th anniversary of the First Council of Nicaea, they pointed to the Nicene Creed as a shared foundation of faith and expressed hope for a future common celebration of Easter. They recalled with gratitude the 60th anniversary of the lifting of mutual excommunications in 1965 by St. Paul VI and Ecumenical Patriarch Athenagoras I, and called for renewed courage in pursuing dialogue.

Acknowledging the obstacles that still hinder full communion, Leo and Bartholomew said they remain committed to addressing them through theological exchange and fraternal encounter.

In their declaration, they appealed to civil and political leaders to “do everything possible to ensure that the tragedy of war ceases immediately” and asked all people of goodwill to join them in this plea. They encouraged efforts to build a just and supportive society and to care for creation, insisting that only such shared responsibility can overcome indifference, domination, greed, and xenophobia.

Earlier in the day, Pope Leo joined Patriarch Bartholomew for a doxology, a liturgical prayer of praise to God, at St. George’s Ecumenical Orthodox Patriarchal Church in Istanbul. The pope said he felt “great emotion” upon entering the historic church, noting that he was mindful of the gestures of his predecessors and grateful for the friendship he has shared with Bartholomew since the beginning of his ministry as bishop of Rome.

The Ecumenical Patriarchate, based in Istanbul, is recognized as the central coordinating seat of the Orthodox Church. Patriarch Bartholomew I, widely known for his leadership in ecumenical dialogue and environmental advocacy, is considered the 270th successor of St. Andrew.

On Saturday morning, the pope also met privately with leaders of Christian churches in Turkey at the Syriac Orthodox Church of Mor Ephrem in Istanbul, where he was welcomed by the Syriac Orthodox Patriarch Ignatius Aphrem II. Concluding the meeting, he reflected on the significance of the Council of Nicaea and the Gospel of the Incarnation, calling the assembled leaders to prayer, unity, and renewed evangelization. He invited them to journey together toward the 2033 Jubilee with the hope of advancing toward full communion, inspired by the motto “In Illo Uno Unum” (“Unity in the One”).

Mor Ephrem, located in Yeşilköy, is the first church to be built in Turkey since the founding of the Republic. Construction began nearly a decade before its inauguration in 2023 but was slowed by administrative delays, the COVID-19 pandemic, and the 2023 earthquake.

During the gathering, a choir sang an invocation to the Holy Spirit before the leaders sat together at a round table for a closed-door exchange. Each offered brief remarks, followed by the pope’s address. The patriarchal vicar led the Lord’s Prayer before the pope’s departure.

The Syriac Orthodox Church, headquartered in Damascus, Syria, numbers around 2 million faithful worldwide, and its patriarch plays an important role in ecumenical relations.

ISTANBUL (CNS) -- Pope Leo XIV, like his two immediate predecessors, visited the so-called Blue Mosque in Turkey's capital; he spent about 20 minutes inside but did not appear to pause for prayer as Pope Benedict XVI and Pope Francis had done.

Instead, he listened to Askin Musa Tunca, the mosque's muezzin who calls people to prayer five times a day, explain the building, its construction and how Muslims pray. And the pope asked questions. 

Tunca told reporters afterward that the mosque is "the house of Allah -- it's not my house; it's not your house," and so he told Pope Leo he could pray if he wanted. "'That's OK,' he said, he wanted to see the mosque."

Reporters pressed Tunca, asking again if the pope prayed. "Maybe to himself, I don't know," he responded.

The Vatican press office said afterward that Pope Leo visited the mosque "in a spirit of reflection and attentive listening, with deep respect for the place and for the faith of those who gather there in prayer."

As is customary, Pope Leo removed his shoes in the courtyard before entering the mosque in white socks. 

Formally called the Sultan Ahmed Mosque, the Muslim house of prayer was complete in 1617 and is known as the Blue Mosque because of the more than 21,000 blue tiles that decorate its walls, arches and domes. The tiles come from Iznik, site of the ancient Nicaea, which Pope Leo had visited the day before.

Leaving the mosque, Pope Leo noted to Tunca that they were going through a doorway with a sign that said, "No exit." The muezzin replied that the sign was for tourists but, if the pope preferred, "you do not have to go out. You can stay here."

Pope Benedict XVI had visited the Blue Mosque in 2006, and Pope Francis toured it in 2015. Both had paused for a moment of silence facing the mihrab, which indicates the direction of the Islamic holy city of Mecca. St. John Paul II was the first pontiff to visit a mosque when he went to the Umayyad mosque in Damascus, Syria, in 2001. 

In late October Pope Leo had led Vatican celebrations of the 60th anniversary of Nostra Aetate, the Second Vatican Council's document on relations with other world religions. The bishops at Vatican II said Catholics have esteem for their Muslim brothers and sisters, who "adore the one God, living and subsisting in himself; merciful and all-powerful, the Creator of heaven and earth," and "they take pains to submit wholeheartedly to even his inscrutable decrees."
 

Pope Leo XIV visits the Sultan Ahmed Mosque in Istanbul, Turkey, on Nov. 29, 2025. / Credit: Vatican Media

Istanbul, Turkey, Nov 29, 2025 / 03:10 am (CNA).

Pope Leo XIV started his third day in Turkey on Saturday with a visit to the Sultan Ahmed Mosque in Istanbul. The visit was a gesture of respect toward the Islamic world, fraternity with Muslims, and continuity in building bridges of interreligious dialogue, though the pope declined an invitation to pray in the Muslim house of worship.

The so-called “Blue Mosque” stands as one of the most important Islamic buildings in Istanbul. Its beauty, its scale, and its history continue to attract visitors from all over the world. It also holds a unique place in the relationship between Christianity and Islam, as several popes have passed through its doors in silence and respect.

Benedict XVI visited the mosque in 2006 during his visit to the country. The visit came less than three months after an address he made in Regensburg, Germany, in which he quoted a medieval emperor’s description of Islam as “evil and inhuman” and “spread by the sword,” provoking a fierce reaction in the Muslim world. The Vatican’s spokesman at that time, Father Federico Lombardi, said that Benedict paused for meditation inside the mosque. Pope Francis entered the mosque in 2014 and stood in what the Vatican described as a “moment of silent adoration” of God inside the Muslim place of worship.

After Leo’s visit on Saturday, the Holy See Press Office said in a statement that “the pope experienced the visit to the mosque in silence, in a spirit of reflection and attentive listening, with deep respect for the place and for the faith of those who gather there in prayer.”

One of the pope’s hosts for the visit, muezzin Aşgın Musa Tunca, told reporters afterward that he had told the pope he was welcome “to worship here” but that Leo had replied: “No, I am just going to look around.”

A notable omission from Leo’s itinerary, and a point of tension in Catholic-Islamic relations, is Hagia Sophia, the Byzantine church-turned-mosque that the Turkish government designated a museum open to all faiths in the 20th century. Popes Paul VI, John Paul II, Benedict XVI, and Francis all visited the monument on previous papal visits to Turkey. Francis said he was “deeply pained” when the government turned it back into a mosque in 2020.

Asked on Thursday why Leo would not be visiting Hagia Sophia, Bruni said: “It simply was not put on the program.”

The “Blue Mosque,” which Leo visited on Saturday, was built between 1609 and 1617 by Sultan Ahmed I. It occupies part of the site where the Grand Palace of Constantinople once stood. The goal was to make it the most important place of worship in the Ottoman Empire.

The construction process was carefully organized. The name “Blue Mosque” comes from approximately 21,000 turquoise ceramic tiles placed along the walls and the main dome. Walls, arches, and columns carry the famous Iznik tiles in tones from blue to green. Light entering through 260 small windows also gives the prayer hall a remarkable atmosphere.

The Sultan Ahmed Mosque is the only mosque with six minarets. Most mosques have four. Only one of the Ka’ba in Mecca, Saudi Arabia, exceeds it, with seven.

Correction: An earlier version of this story referred to Father Federico Lombardi as Father Pietro Lombardi. The story has been updated with the correct name. (Published Nov. 29, 2025)

The Council of Nicaea in 325 as depicted in a fresco in Salone Sistino at the Vatican. / Credit: Giovanni Guerra (1544-1618), Cesare Nebbia (1534-1614) e aiuti, Public domain, via Wikimedia Commons

Washington, D.C. Newsroom, Nov 28, 2025 / 10:00 am (CNA).

In the summer of A.D. 325, more than 300 bishops gathered in Nicaea — located in modern-day northern Turkey — to promulgate a common Christian creed, settle Christological disputes that arose from the Arian heresy, and promote unity in the Church.

The first ecumenical council, known as the Council of Nicaea, is still accepted as authoritative by the Catholic Church, the Eastern Orthodox Church, and many Protestant denominations. The common beliefs still offer a strong element of unity in an otherwise fractured Christianity 1,700 years later.

During the council, the bishops established the initial formulation of the Nicene Creed, which is the profession of faith still recited at the Catholic Mass, Orthodox liturgies, and some Protestant services. It also rejected heretical Arian claims that Christ was a created being who lacked an eternal divine nature and rather confirmed that the Son is eternally begotten of the Father.

The council was called by Emperor Constantine — a convert to Christianity — less than 15 years after the empire halted the persecution of Christians and granted them the freedom to worship. It came just 20 years after the reign of Emperor Diocletian, who brutally persecuted Christians for their rejection of paganism.

“That council represents a fundamental stage in the development of the creed shared by all the Churches and ecclesial communities,” Pope Leo XIV said in May, acknowledging the 1,700th anniversary.

“While we are on the path towards the reestablishment of full communion among all Christians, we recognize that this unity can only be unity in faith,” the pontiff said.

The Arian heresy

The primary purpose of the council was to settle a major question about Christ’s divine nature and address Arianism, which was a heresy promoted by the priest Arius asserting that Jesus Christ was a created being and not eternal.

“Arius began to preach something that was scandalous to many Christian believers and [which] seemed incompatible to the Christian faith as witnessed to in Scripture and transmitted through the tradition of the Church,” Dominican Father Dominic Legge, the director of the Thomistic Institute and a professor of theology, told CNA.

Arius wrote in “Thalia” that he believed the Father “made the Son” and “produced him as a son for himself by begetting him.” He wrote that “the Son was not always [in existence], for he was not [in existence] before his generation.” He asserted that Christ was not eternal but “came into existence by the Father’s will.” Arius contested that Christ “is not true God” but was rather “made God by participation.”

Legge said that Arius understood that “there’s an infinite gap between God and creatures,” but where he was mistaken was that “he thought that the Son was on the ‘creature’ side of that gap” and “not equal in divinity to God.”

“Therefore, he considered him to be the highest creature,” Legge added. “The first creature, but nonetheless a creature.”

Legge said that at Nicaea there was “a consensus of bishops with very different approaches to the mystery of God and they could see that Arius had to be wrong and so they condemned him and they affirmed that the Son is ‘God from God, true God from true God.’”

The language adopted at Nicaea expressly contradicted Arius, affirming Christ is “true God from true God, begotten not made, of one substance with the Father.” It condemned Arius’ view as heresy. The vote was nearly unanimous with more than 300 bishops voting in favor of this text and only two siding with Arius.

St. Athanasius, one of the most outspoken opponents of Arianism at the council and in its aftermath, wrote in his “First Discourse Against the Arians” in the mid-fourth century that “the Scriptures declare the Son’s eternity.”

Athanasius notes, for example, the Gospel of St. John states that “in the beginning was the Word, and the Word was with God, and the Word was God.” He also cites Chapter 8 of the same Gospel in which Christ declares “before Abraham was, I am,” invoking the divine name used by God to indicate his eternity when appearing to Moses as the burning bush.

“The Lord himself says, ‘I am the Truth,’ not ‘I became the Truth,’ but always, ‘I am — I am the Shepherd — I am the Light‘ — and again, ‘Call me not, Lord and Master? And you call me well, for so I am,‘” Athanasius wrote. “Who, hearing such language from God, and the Wisdom, and Word of the Father, speaking of himself, will any longer hesitate about the truth, and not immediately believe that in the phrase ‘I am,‘ is signified that the Son is eternal and without beginning?”

Legge noted that Athanasius also warned that Arius’ position “threatened the central truth of Christianity that God became man for our salvation.”

Unifying the Church in the fourth century

Prior to the Council of Nicaea, bishops in the Church held many synods and councils to settle disputes that arose within Christianity.

This includes the Council of Jerusalem, which was an apostolic council detailed in Acts 15, and many local councils that did not represent the entire Church. Regional councils “have a kind of binding authority — but they’re not global,” according to Thomas Clemmons, a professor of Church history at The Catholic University of America.

When the Roman Empire halted its Christian persecution and Emperor Constantine converted to the faith, this allowed “the opportunity to have a more broad, ecumenical council,” Clemmons told CNA. Constantine embraced Christianity more than a decade before the council, though he was not actually baptized until moments before his death in A.D. 337.

Constantine saw a need for “a certain sense of unity,” he said, at a time with theological disputes, debates about the date of Easter, conflicts about episcopal jurisdictions, and canon law questions.

“His role was to unify and to have [those] other issues worked out,” Clemmons said.

The pursuit of unity helped produce the Nicene Creed, which Clemmons said “helps to clarify what more familiar scriptural language doesn’t.”

Neither the council nor the creed was universally adopted immediately. Clemmons noted that it was more quickly adopted in the East but took longer in the West. There were several attempts to overturn the council, but Clemmons said “it’s later tradition that will affirm it.”

“I don’t know if the significance of it was understood [at the time],” he said.

The dispute between Arians and defenders of Nicaea were tense for the next half century, with some emperors backing the creed and others backing Arianism. Ultimately, Clemmons said, the creed “convinces people over many decades but without the imperial enforcement you would expect.”

It was not until 380 when Emperor Theodosius declared that Nicene Christianity was the official religion of the Roman Empire. One year later, at the First Council of Constantinople, the Church reaffirmed the Council of Nicaea and updated the Nicene Creed by adding text about the Holy Spirit and the Church.

Common misconceptions

There are some prominent misconceptions about the Council of Nicaea that are prevalent in modern society.

Clemmons said the assertion that the Council of Nicaea established the biblical canon “is probably the most obvious” misconception. This subject was not debated at Nicaea and the council did not promulgate any teachings on this matter.

Another misconception, he noted, is the notion that the council established the Church and the papacy. Episcopal offices, including that of the pope (the bishop of Rome), were already in place and operating long before Nicaea, although the council did resolve some jurisdictional disputes.

Other misconceptions, according to Clemmons, is an asserted “novelty” of the process and the teachings. He noted that bishops often gathered in local councils and that the teachings defined at Nicaea were simply “the confirmation of the faith of the early Church.”

This story was first published on June 5, 2025, and has been updated.