Donald Trump will make a three-day state visit to the UK from 3 June, Buckingham Palace has confirmed.
The Queen invited the president and his wife to the UK from 3 June until 5 June, and the US leader has accepted.
Further details of the programme will be announced in due course.
On the State Visit, Prime Minister Theresa May said: "The UK and United States have a deep and enduring partnership that is rooted in our common history and shared interests.
"We do more together than any two nations in the world and we are both safer and more prosperous because of our co-operation.
"The State Visit is an opportunity to strengthen our already close relationship in areas such as trade, investment, security and defence, and to discuss how we can build on these ties in the years ahead."
In a statement, the White House said the visit would "reaffirm the steadfast and special relationship between the United States and the United Kingdom".
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It confirmed the president will meet with the Queen, and will have bilateral talks with Mrs May.
Mrs May and Mr Trump will then attend the D-Day events in Southsea Common, Portsmouth, before going to Normandy for further commemorative events.
Mr Trump will meet with Emmanuel Macron when in France.
His visit comes almost a year since his last official trip to the UK, when he and First Lady Melania met the Queen at Windsor Castle, spending around 45 minutes together, instead of the scheduled 30 minutes.
Mr Trump later described the Queen as a "tremendous woman" who had "really never made a mistake".
He had also spent time with Mrs May at the prime minister's country residence Chequers and at the Royal Military Academy Sandhurst, where they watched a display of special forces from both the UK and the US.
Last time, tens of thousands of people protested Mr Trump's visit, but his stops were scheduled to avoid the gathering crowds.
He also took in a round or two of golf at his resort in Scotland.
His meeting with Mrs May was somewhat overshadowed by an explosive interview in which he said the prime minister's Brexit plans would kill off any trade deal between the US and UK.
The invitation for a full state visit was first offered about two years ago, in 2017, but has been put off in part because of perceived protest from the British public and because of the ongoing Brexit uncertainties.
Last year's trip was not a full state visit, which usually includes a banquet at Buckingham Palace.
Demonstrations for this visit are already being planned.