Trump’s speech at the United Nations General Assembly yesterday, September 23, 2025, contained many lies.
It was a wide-ranging address - here are four things he said that were fact-checked.
Has Trump really ‘ended seven unendable wars’?
The president listed “wars” he claims to have ended as being between: Israel and Iran, Pakistan and India, Rwanda and the Democratic Republic of Congo (DRC), Thailand and Cambodia, Armenia and Azerbaijan, Egypt and Ethiopia and Serbia and Kosovo.
A number of these “wars” lasted just days and it is unclear whether some of the peace deals will hold.
While Trump claimed “talks mediated by the United States” ended a four-day conflict between India and Pakistan, the government in New Delhi has played down the role of the US.
In June, the US hit nuclear sites in Iran - a move seen as ending 12 days of hostilities with Israel, but experts say there has been no permanent peace agreement.
As President Donald Trump tries to broker an end to the Russia-Ukraine war, he has been highlighting his track record in peace negotiations since starting his second term in office.
Speaking at the White House on 18 August, where he was pressed by European leaders to push for a ceasefire, he claimed: "I've ended six wars… all of these deals I made without even the mention of the word 'ceasefire'."
The following day the number he cited had risen to "seven wars".
The Trump administration says a Nobel Peace Prize is "well past time" for the "peacemaker-in-chief", and has listed the "wars" he has supposedly ended.
Some lasted just days - although they were the result of long-standing tensions - and it is unclear whether some of the peace deals will last.
Trump also used the word "ceasefire" a number of times when talking about them on his Truth Social platform.
Here's a closer look at these conflicts and how much credit the president can take for ending them.
Israel and Iran
The 12-day conflict began when Israel hit targets in Iran on 13 June.
Trump confirmed that he had been informed by Israeli Prime Minister Benjamin Netanyahu ahead of the strikes.
The US carried out strikes on Iranian nuclear sites - a move widely seen as bringing the conflict towards a swift close.
On 23 June, Trump posted: "Officially, Iran will start the CEASEFIRE and, upon the 12th Hour, Israel will start the CEASEFIRE and, upon the 24th Hour, an Official END to THE 12 DAY WAR will be saluted by the World."
After the hostilities ended, Iran's Supreme Leader Ayatollah Ali Khamenei insisted his country had secured a "decisive victory" and did not mention a ceasefire.
Israel has since suggested it could strike Iran again to counter new threats.
"There is no agreement on a permanent peace or on how to monitor Iran's nuclear programme going forward," argues Michael O'Hanlon, a senior fellow at the Brookings Institution think tank.
"So what we have is more of a de facto ceasefire than an end to war, but I'd give him some credit, as the weakening of Iran by Israel - with US help - has been strategically significant."
Pakistan and India
Tensions between these two nuclear-armed countries have existed for years, but in May hostilities broke out following an attack in Indian-administered Kashmir.
After four days of strikes, Trump posted that India and Pakistan had agreed to a "FULL AND IMMEDIATE CEASEFIRE".
He said this was the result of "a long night of talks mediated by the United States".
Pakistan thanked Trump and later recommended him for the Nobel Peace Prize, citing his "decisive diplomatic intervention".
India, however, played down talk of US involvement: "The talks regarding cessation of military action were held directly between India and Pakistan under the existing channels established between both militaries," Indian Foreign Secretary Vikram Misri said.
Rwanda and the Democratic Republic of Congo
Long-standing hostilities between these two countries flared up after the M23 rebel group seized mineral-rich territory in eastern DR Congo earlier in the year.
In June, the two countries signed a peace agreement in Washington aimed at ending decades of conflict. Trump said it would help increase trade between them and the US.
The text called for "respect for the ceasefire" agreed between Rwanda and DRC in August 2024.
Since the latest deal, both sides have accused each other of violating the ceasefire and the M23 rebels - which the UK and US have linked to Rwanda - have threatened to walk away from peace talks.
In July, the rebel group killed at least 140 people, including women and children, in eastern DR Congo, according to Human Rights Watch.
- What's the fighting in DR Congo all about?
- DR Congo rebels killed 140 civilians despite peace process, rights group says
"There's still fighting between Congo and Rwanda - so that ceasefire has never really held," says Margaret MacMillan, a professor of history who taught at the University of Oxford.
Thailand and Cambodia
On 26 July, Trump posted on Truth Social saying: "I am calling the Acting Prime Minister of Thailand, right now, to likewise request a Ceasefire, and END to the War, which is currently raging."
A couple of days later, the two countries agreed to an "immediate and unconditional ceasefire" after less than a week of fighting at the border.
Malaysia held the peace talks, but President Trump threatened to stop separate negotiations on reducing US tariffs (taxes on imports) unless Thailand and Cambodia stopped fighting.
Both are heavily dependent on exports to the US.
On 7 August, Thailand and Cambodia reached an agreement aimed at reducing tensions along their shared border.
Armenia and Azerbaijan
The leaders of both countries said Trump should receive the Nobel Peace Prize for his efforts in securing a peace deal, which was announced at the White House on 8 August.
"I think he gets good credit here - the Oval Office signing ceremony may have pushed the parties to peace," says Mr O'Hanlon.
In March, the two governments had said they were ready to end their nearly 40-year conflict centred on the status of Nagorno-Karabakh.
The most recent, serious outbreak of fighting was in September 2023 when Azerbaijan seized the enclave (where many ethnic Armenians lived).
Egypt and Ethiopia
There was no "war" here for the president to end, but there have long been tensions over a dam on the River Nile.
Ethiopia's Grand Ethiopian Renaissance Dam was completed this summer with Egypt arguing that the water it gets from the Nile could be affected.
After 12 years of disagreement, Egypt's foreign minister said on 29 June that talks with Ethiopia had ground to a halt.
Trump said: "If I were Egypt, I'd want the water in the Nile." He promised that the US was going to resolve the issue very quickly.
Egypt welcomed Trump's words, but Ethiopian officials said they risked inflaming tensions.
No formal deal has been reached between Egypt and Ethiopia to resolve their differences.
Serbia and Kosovo
On 27 June, Trump claimed to have prevented an outbreak of hostilities between them, saying: "Serbia, Kosovo was going to go at it, going to be a big war. I said you go at it, there's no trade with the United States. They said, well, maybe we won't go at it."
The two countries have long been in dispute - a legacy of the Balkan wars of the 1990s – with tensions rising in recent years.
"Serbia and Kosovo haven't been fighting or firing at each other, so it's not a war to end," Prof MacMillan told us.
The White House pointed us towards Trump's diplomatic efforts in his first term.
The two countries signed economic normalisation agreements in the Oval Office with the president in 2020, but they were not at war at the time.
'Sharia law' in London
The Mayor of London featured in the speech with Trump calling Sadiq Khan “a terrible mayor – terrible, terrible mayor. Now they want to go to Sharia law."
False claims like this one have circulated for years on social media and a spokesperson for Khan stated: "We are not going to dignify his appalling and bigoted comments with a response."
Sharia law is an Islamic legal system and Sharia councils do exist in the UK – there were an estimated 85 across the UK in 2009, according to one think tank. Most of their work deals with marriage and financial arbitration between Muslims but the UK government has been clear that their rulings are "not legally binding".
Has illegal immigration into the US ‘totally stopped’?
“In fact they’re not even coming anymore because they know they can’t get through,” Trump went on to say about illegal immigrants.
Since he took office, figures from US Customs and Border Protection do show a significant fall in apprehensions of illegal migrants - but not to zero. Total monthly apprehensions dropped from 28,728 in January 2025 to 5,456 in August.
Trump also claimed that under the previous Biden administration “millions of people were pouring in. Twenty-five million altogether”. Border crossings did reach record levels under President Joe Biden but Trump’s figures are exaggerated.
The Department of Homeland Security estimates there were 11 million “border encounters” during Biden’s time in office.
Finally, and most critically, Trump stated that Climate Change was a hoax and the greatest con ever perpetrated.
We know - as do all competent well-established and well-known scientists - that Global Warming and Climate Change are very real, that they are the result of human ways of life and production and consumption, the use of fossil fuels, and that they threaten our very existence and are already killing people and causing massive financial and personal damage and hardship. Failure to stop using oil, coal, natural gas and other fossil fuels will melt the poles and cause sea levels to increase by about 65 meters, forcing the displacement of about 3-4 billion people and the infrastructure needed to support them.
Trump and his team lie on just about everything - weaving the lies into false narratives that are repeated so often and for so long that people begin to believe them. The more they tell the same lies, the stronger they insist on them, the greater the odds that they are deliberately weaving another false narrative, so that they can take huge profits out of the economy and leave the future and the US taxpayer to pay the bill over the next few generations. That is how mobsters operate - and that is what Trump and his people are.
The Truth on Climate Change, Global Warming and Greenhouse Gases and Fossil Fuel Use:
In his speech, Donald Trump repeatedly attacked the science of climate change, claiming it is the "greatest con job ever perpetrated on the world".
This is at odds with the overwhelming scientific consensus about the causes and impacts of rising temperatures.
"Human activities, principally through emissions of greenhouse gases, have unequivocally caused global warming," says the Intergovernmental Panel on Climate Change (IPCC),
which is made up of hundreds of leading scientists.
Humans are releasing huge quantities of greenhouse gases, such as carbon dioxide, by burning fossil fuels and cutting down forests. These gases act like a blanket, trapping extra energy in the Earth’s atmosphere.
This basic concept has been understood for more than 100 years.
And the IPCC’s scientists clearly state: "Human-caused climate change is already affecting many weather and climate extremes in every region across the globe."
This has already led to "widespread adverse impacts… and damages to nature and people" which will continue to increase with further warming, they add.
Furthermore (Further Scientific Proof of Climate Change):
The nation’s leading scientific advisory body issued a major report on Wednesday detailing the strongest evidence to date that carbon dioxide, methane and other planet-warming greenhouse gases are threatening human health.
The report, published by the National Academies of Sciences, Engineering, and Medicine, is significant because it could complicate the Trump administration’s efforts to revoke a landmark scientific determination, known as the endangerment finding, that underpins the federal government’s legal authority to control the pollution that is driving climate change.
The new National Academies assessment contradicts the administration’s claims. The 136-page report, assembled by a committee of two dozen scientists, concludes that the original endangerment finding was accurate and “has stood the test of time.” It says that there is now even stronger evidence that rising greenhouse gas levels can threaten public health and well-being, and that new risks have been uncovered.
The report notes that multiple lines of evidence now show that human activities such as the burning of fossil fuels and deforestation are producing greenhouse gases that are heating the planet, and that climate change is exacerbating a wide variety of health risks like intense heat waves and increased wildfire smoke. Climate-driven changes in temperature and rainfall patterns have also led to negative effects on crops and less water availability in some places, among other disruptions.
The National Academies of Sciences, Engineering, and Medicine is a nongovernmental body that was originally chartered in 1863 by Abraham Lincoln to advise the nation on scientific and medical questions. The influential body issues roughly 200 reports per year on a range of topics from particle physics to neurobiology, and its members are elected each year.
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