DAVOS, Switzerland, Jan 23 (Reuters) - World leaders and business executives departed from Davos after an eventful World Economic Forum annual meeting which was dominated by U.S. President Donald Trump.

It was a volatile week for trans-Atlantic relations, marked by President Trump statements that unsettled global markets and strained ties with U.S. allies — on topics ranging from Greenland to Gaza.

US President Donald Trump ahead of his trip to Davos, Switzerland, for the 2026 World Economic Forum, making light of his reception in Europe. “I’m going to a beautiful place in Switzerland where I’m sure I’m very happily awaited for,” Trump said at a White House briefing before departure, marking his first year back in office.

The elite Davos summit is eying moving to Detroit. This partnership could give it an edge. The World Economic Forum’s annual conference that has been held in Davos, Switzerland for decades could be held south of Eight Mile Road in the not-so-distant future.

The billionaire CEO of Tesla and SpaceX, in his first appearance at Davos, said Tesla could start selling its Optimus robots next year.

Katy Perry joined Justin Trudeau at the World Economic Forum's annual meeting in Davos, Switzerland. See the photo of them holding hands there.

Undoubtedly, I choose Ukraine in this case, rather than the economic forum,” President Volodymyr Zelensky said, explaining his decision to remain in the war-scarred capital.

President Trump will address the gathering of world leaders, CEOs and policymakers as America's allies balk at his efforts to acquire Greenland.