Pope Leo Speaks at America 250 Celebration Following Trump Feud

Pope Leo XIV used a major America 250 address on Friday to call for national unity, peace and respect for human dignity, appearing at one of the country’s highest-profile anniversary celebrations just months after a public clash with President Donald Trump over war and diplomacy.

The first American-born pope delivered live remarks from the Vatican while accepting the National Constitution Center’s Liberty Medal, awarded for his advocacy of religious liberty and freedom of conscience. Speaking to an audience gathered in Philadelphia on the eve of the nation’s semiquincentennial, Leo repeatedly invoked the ideals of the Declaration of Independence and urged Americans to remain committed to “unity, justice and peace.”

“As a son of this great country,” Leo said, “I join you in asking God’s blessings upon America’s future, that the lofty ideals enshrined at the beginning of the Declaration of Independence may continue to guide the flourishing of the nation in unity, justice and peace.”

Trump-Pope Feud

The pope’s appearance carried added significance because it came during one of the most politically charged periods of his young pontificate.

Earlier this year, Leo found himself at the center of a bitter public dispute with Trump over the Iran war. The conflict escalated after Leo warned against what he described as a “delusion of omnipotence” fueling conflict and repeatedly called for peace negotiations. Trump responded by accusing the pope of being “weak on crime” and “terrible for foreign policy,” while insisting the pontiff was wrong to criticize the administration’s approach to Iran. The clash became one of the most direct confrontations between a sitting U.S. president and the head of the Roman Catholic Church in recent years.

Leo pushed back forcefully at the time.

“I have no fear of the Trump administration, or speaking out loudly of the message of the Gospel,” he told reporters in April, insisting that his criticism of war was rooted in Christian teaching rather than politics.

“I will continue to speak out loud against war, looking to promote peace, promoting dialogue and multilateral relationships among the states to look for just solutions to problems,” he said. “Too many people are suffering in the world today. Too many innocent people are being killed.”

Immigration and Liberty

Against that backdrop, Friday’s speech frequently returned to themes of peace, dialogue and human dignity.

Leo praised America’s historic openness to immigrants, arguing that successive waves of newcomers helped shape the nation and contributed to its success. He said the United States became “a byword for freedom” for many around the world because of its commitment to liberty and opportunity.

At the same time, he urged Americans to recommit themselves to protecting life, defending religious liberty and finding common ground across political, cultural and religious differences.

“It is my hope that this tradition will continue to bear fruit in a public discourse marked by moderation, respect for the views of others, that ongoing effort to find common ground in promoting the cause of peace and reconciliation at home and abroad,” he said.

After speaking to Americans from the Vatican on Friday, Leo is set to travel Saturday to Lampedusa, a Mediterranean island that has become a symbol of modern migration because thousands of asylum seekers and refugees arrive there each year after crossing from North Africa. On Sunday, he will return to the Vatican for the weekly Angelus prayer, one of the pope’s most visible recurring appearances.

Trump, by contrast, will spend the weekend at the center of America 250 celebrations, including a headline event at Mount Rushmore amid a push to add his face to the monument.

The pope’s remarks about unity came as he faces both external political tensions and internal challenges within the Catholic Church.

SSPX Excommunications

On Thursday, the Vatican formally excommunicated six bishops connected to the Society of St. Pius X (SSPX), a breakaway traditionalist group that carried out episcopal consecrations in Switzerland without papal approval. The move has potentially far-reaching implications in the United States, where the SSPX maintains a large network of chapels, schools and faithful. Newsweek previously reported that the ruling could affect roughly 30,000 adherents in the U.S., though the Vatican later clarified that simply attending SSPX services is not enough to incur excommunication. Instead, penalties depend on whether individuals formally adhere to the group’s doctrinal positions and rejection of papal authority.

The issue is likely to loom over Catholic communities this weekend as worshippers prepare for Sunday Mass and church leaders continue efforts to persuade SSPX followers to remain in full communion with Rome.

The SSPX dispute has become an early defining test for Leo’s leadership. Since becoming pope, he has emphasized dialogue, unity and reconciliation, but he has also shown a willingness to draw firm lines when he believes the authority and unity of the church are at stake.

Friday’s address reflected that balancing act.

The pope repeatedly celebrated America’s traditions of religious liberty and pluralism while calling for unity rooted in enduring values rather than political division.

“In order for a nation to flourish, it must be truly united,” Leo said. “United not by goals bound to momentary endeavors, but by ideals that do not fade with the passing of time.”

As America marked 250 years since the Declaration of Independence, the first American pope used one of the country’s most symbolic anniversary events to deliver a message that blended patriotism, faith and reconciliation-while reminding listeners that peace remains one of the defining themes of his papacy.

Contact Newsweek editors on this story: Samantha Beech and Gray R. Thomas

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This story was originally published July 3, 2026 at 11:16 AM.