He continued meeting and greeting global leaders by holding phone conversations with five leaders
The 45th president has had a jam-packed first week in week in office, signing a flurry of executive orders including banning Muslims from certain countries entering the US, and laying the framework for his controversial wall with Mexico.
And he welcomed prime minister Theresa May to Washington, the first world leader to have an audience with the billionaire.
He continued greeting global leaders by holding phone conversations with five of his counterparts, German Chancellor Angela Merkel, Japanese prime minister Shinzō Abe, French president François Hollande, and the prime minister of Australia, Malcolm Turnbull.
He phoned the leaders from the Oval Office, enjoying a 45 minute chat with Mrs Merkel.
Being President Trump: Key Moments
Fri, January 27, 2017
Inside Donald Trump's first week in the White House.
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Trump speaks briefly to reporters as he arrives aboard Air Force One at Joint Base Andrews
But the most anticipated chat was between the property tycoon and president Putin.
It is widely anticipated Vladimir Putin formally congratulated Mr Trump on assuming office, despite a brief conversation after Mr Trump’s election victory to congratulate him.
The 70-year-old previously said of the Russian leader: ”I don't know Putin, but if we can get along with Russia, that's a great thing.
It is widely anticipated Mr Putin formally congratulated Mr Trump on assuming office
”It's good for Russia, it's good for us; we go out together and knock the hell out of ISIS, because that's a real sickness.”
Previously it was thought vice-president Mike Pence would sit in and join the discussion, but it was later confirmed only the two leaders would speak.
Other key topics the pair likely discussed are how to deal with Islamic State (ISIS), NATO, nuclear weapons and Russian sanctions.
If we can get along with Russia, that's a great thing
Kremlin spokesman, Dmitri Peskov, said ahead of the call: “Of course, usually during such contacts there is an exchange of views on the main parameters of the current state of bilateral relations.”
The outspoken tycoon has indicated his administration may herald a thawing in relations between the two superpowers, and his team have recently said that Russian sanctions are “under consideration”.
Previously it was thought vice-president Mike Pence would sit in and join the discussio
He phoned the leaders from the Oval Office, enjoying a 45 minute chat with Mrs Merkel
The issue is divisive, with some Republicans including Senator John McCain and Democratic Senator Chuck Schumer reportedly mooting a bill to curb Mr Trump’s ability to lift the sanctions without the approval of Congress.
And earlier this month Donald Trump inferred the lifting of sanctions could be tied to a nuclear arms reduction treaty, something Moscow flatly refused.
— Sean Spicer (@PressSec) January 28, 2017
Sergei Karaganov, honorary chairman of the Russian Council on Foreign and Defense Policy, has urged for dialogue between the two countries over the issue of nuclear weapons.
He said a solution must be found "based not on the reduction or increase of nuclear arsenals, but on the preservation of the global status quo."