Jean-Claude Juncker gave his successor a symbolic ceremonial bell but joked that it was "absolutely useless."
"No one has cared for Europe as much as you have," von der Leyen told her predecessor. "Jean-Claude Juncker and Europe will always go together."
The new European Commission took power after being delayed one month.
Jean-Claude Juncker gives his last news briefing before Ursula von der Leyen takes over as Commission President.
Donald Tusk is replaced as President of the European Council by former Belgian Prime Minister Charles Michel.
Ursula von der Leyen's new picks for EU commissioners are going before MEPs.
The future president of the European Commission Ursula von der Leyen has reminded UK Prime Minister Boris Johnson of duty to nominate new commissioner.
The French businessman and Hungarian diplomat must still be approved by the MEPs, while the Romanian nomination remains vacant.
Ursula von der Leyen might struggle to take over the EU Commission on November 1st. With three designated commissioners rejected by the European Parliament, the risk of delay of the appointment of the new Commission is more realistic than ever.
Goulard was the victim of a "political game", the French president's office said.
In this edition we ask two MEPs whether the UK should be granted another extension, and also look at who got the greenlight at to take a seat in the next European Commission.
In this edition of the The Brief we look at how the French candidate Sylvie Goulard had a tough time in her hearing to take over the Internal Market dossier, while we also profile the man who is set to protect 'our European way of life'.
Before incoming European Commission President Ursula von der Leyen takes over on November 1, MEPs will scrutinise those nominated to be in her top team.
Protection? To quote the definition of the Collins dictionary, this is a process “to prevent someone or something from being harmed or damaged”. The use of the word infers that The Other who moves, who asks for hospitality, who seeks a better life, [...] is a threat.
“This is the team as diverse as Europe is, as strong as Europe is, those are dedicated men and women, and I’m looking forward to working with this team for Europe.”
Johannes Hahn defended the controversial European way of life portfolio in an exclusive interview with Euronews' political editor Darren McCaffrey.
Hint: The answer is no.
"The British since the very beginning were part-time Europeans, what we need are full time Europeans," Juncker told Euronews in an exclusive interview.
László Trócsányi was the architect of many of Hungary's most controversial policies towards migration.
'Better be safe than sorry': European Commission spokeswoman on no-deal preparations
-Was Ursula von der Leyen the right choice?
-How will she handle Brexit negotiations?
-Were Trump's tweets racist?
Watch the final episode of Your Call's first season to hear what panellists and viewers had to say about these questions.
Euronews' Darren McCaffrey was joined by MEPs to discuss Ursula von der Leyen's qualifications for the European Commission presidency. Watch the full episode for live coverage from Tuesday night's vote in Strasbourg.
But the first woman to hold Europe’s top job told Euronews that she was simply pleased to win after having only 13 days to convince MEPs.
Emmanuel Macron said "we can be proud of Europe" after Ursula von der Leyen's win. But Nigel Farage said she would bring undemocratic centralisation.
After groups like the Greens publicly announced they would not be supporting Ursula von der Leyen as President of the European Commission last week, she had one last debate with MEPs on Tuesday morning in Strasbourg. Read here to find out the ideas she pitched to appeal to all political groups.
Von der Leyen spoke about what she called Europe's duty to save lives in the Mediterranean, citing the 17,000 people drowned there in the last 5 years. She promised a new migration pact to tackle the problem, as well as a carbon-neutral Europe by 2050 and a boost for unity across the continent.