President Trump often says that he has resolved multiple wars since taking office in January and that he deserves the Nobel Peace Prize. “I’m averaging about a war a month,” Mr. Trump said in July in Turnberry, Scotland.

On Monday at the White House, during talks with President Volodymyr Zelensky of Ukraine aimed at moving toward a peace deal with Russia, he referred to “six wars that I’ve settled.” On Tuesday, in an interview on “Fox and Friends,” he said he had ended seven wars, though he did not specify which one he had added.

“I really want to get to heaven,” Mr. Trump said in the interview, explaining his motivation for playing peacemaker, though he joked that he knew he was “on the bottom of the totem pole.”

Every U.S. president has world conflicts land on his desk, and Mr. Trump has used the power of his office, including the threat of economic penalties, to intervene in several this year, leading to an end to fighting. In some cases, warring parties have credited him with advancing peace or calming hostilities. In others, his role is disputed or less clear — or fighting goes on.

Asked for clarification, the White House provided a list of the six wars he says he has resolved. It did not respond to a subsequent question about the seventh.

Armenia and Azerbaijan

Mr. Trump brought the leaders of Armenia and Azerbaijan to the White House this month to sign a joint declaration aimed at bringing their long-running conflict closer to an end. It was not a peace deal, but it was the first commitment toward one since fighting broke out in the late 1980s when a weakening Soviet Union unleashed interethnic strife in the Caucasus.

Both leaders praised Mr. Trump, who stepped into a conflict that had long been mediated by Russia, until President Vladimir V. Putin’s attention shifted after his 2022 invasion of Ukraine.

As part of the agreement, Armenia said it would grant the United States rights to develop a major transit corridor through its territory, the Trump Route for International Peace and Prosperity. The project has been described an economic game changer for the region that would better connect Europe with Azerbaijan and Central Asia.

But it is not clear when the route will open and on what terms. And major barriers to a lasting peace remain.

Azerbaijan continues to demand that Armenia change its constitution to remove mentions of the disputed Nagorno-Karabakh region, which Azerbaijan took over entirely in 2023. Azerbaijan also occupies small areas of Armenia, citing security concerns, and the countries have not agreed on a shared border. For now, the border between the two nations is closed, diplomatic ties remain broken.

Democratic Republic of Congo and Rwanda

In June, the top diplomats from Rwanda and the Democratic Republic of Congo came to the Oval Office to sign a peace agreement aimed at ending a war that has raged for over three decades. Qatar also played a major role in the deal, which was intended to pave the way to a full peace agreement.

Mr. Trump called the accord “a glorious triumph.”

But talks on a comprehensive agreement have since faltered and deadly fighting has continued. On Monday, the main rebel group in eastern Congo, known as M23 and backed by Rwanda, threatened to renege on the U.S.-backed deal, claiming that its primary foe, the Congolese army, had broken its terms.

India and Pakistan

Mr. Trump has taken credit for mediating an end to a military escalation between the two nuclear powers that broke out after a terrorist attack in Kashmir this spring killed 26 civilians.

India has acknowledged the American role in mediating but says it negotiated an end to the fighting directly with Pakistan. India claims that Pakistani officials asked for cease-fire talks under pressure from India’s military assaults. Pakistan denies this and has thanked Trump for helping to end the hostilities.

The differing accounts have contributed to a deterioration of relations between Washington and New Delhi, which is also playing out in Mr. Trump’s trade war. Pakistan, which said it would nominate Mr. Trump for the Nobel Peace Prize for his mediation, faces U.S. tariffs of 19 percent. India, on the other hand, faces a crippling 50 percent tariff, a rate that could crush the country’s exporters.

Israel and Iran

After 12 days of strikes in June that included U.S. attacks on Iranian nuclear sites, Mr. Trump abruptly announced a cease-fire agreement. He said that the United States had mediated it and claimed that Israel had turned around its warplanes at his behest.

“It was my great honor to Destroy All Nuclear facilities & capability, and then, STOP THE WAR!” he posted on Truth Social.

Although neither side has disputed the American role in the truce, its durability remains in question. Talks have broken off between Iran and the United States on the future of Tehran’s nuclear program, which Israel considers an existential threat.

And while American intelligence assesses that the U.S. bombings badly damaged Iran’s most advanced nuclear enrichment site, some experts believe that Tehran could eventually resume enriching uranium, which is needed to build a nuclear weapon, at other sites.

Cambodia and Thailand

The two Southeast Asian neighbors engaged this summer in days of fighting that killed at least 42 people and displaced more than 300,000, one of the bloodiest conflicts between them in decades.

At the time, the Trump administration was discussing trade deals with a host of countries, and Mr. Trump said he had told the leaders of Thailand and Cambodia that he would stop trade talks unless they agreed to a cease-fire.

Two days later, officials met in Malaysia for talks organized by Malaysian and American officials and reached a deal to pause hostilities. “They will hopefully get along for many years to come,” Mr. Trump said afterward.

Critics of Mr. Trump’s approach say his intervention did not address the underlying issues of the conflict, though fighting has stopped.

Egypt and Ethiopia

Egypt and Ethiopia face not a military conflict but a diplomatic dispute over Africa’s largest hydroelectric dam. Still, there are fears that it might descend into fighting. (Mr. Trump said in 2020 that Egypt had threatened to “blow up” the dam.)

Mr. Trump’s diplomacy has done little to resolve the dispute. Ethiopia recently announced that it had completed the dam, with an official opening scheduled for next month. Egypt and Sudan continue to oppose the project, fearing it will limit the flow of water from the Nile River to their countries.

Linda Qiu contributed reporting.