Taking his first steps as president, Donald Trump signed an executive order which targets the ObamaCare, the signature health care reforms of ex-President Obama.
Donald Trump’s proclamation ordered agencies to ease the economic burden of the healthcare laws.
In his inaugural address President Trump pledged to put “America first” and to end the “American carnage” of abandoned factories and rampant crime.
Later, about 200,000 people are due to join a Women’s March in Washington.
The Women’s March organizers say they want to highlight racial and gender equality and other issues perceived to be under threat from Donald Trump’s administration.
Similar marches are already taking place in Australia and New Zealand and many others are planned around the world.
Donald Trump’s team quickly overhauled the White House website to include his pledge to roll back Barack Obama’s strategy on climate change.
Shortly after taking office as the 45th US president, Donald Trump sent his Cabinet nominations to the Senate.
President Trump also signed a waiver to allow retired General James Mattis to serve as defense secretary, even though he left the military less than the required seven years ago.
Gen. James Mattis, whose appointment has been approved by the Senate, was later sworn in by Vice-President Mike Pence.
Mike Pence also swore in John Kelly as head of Homeland Security.
The revamped White House website replaces Barack Obama’s policies with Donald Trump’s new agenda.
The new administration lists only six issues on the website – energy, foreign policy, jobs and growth, military, law enforcement and trade deals.
Critics point out that it makes no mention of civil rights, LGBT rights, healthcare or climate change.
One of Donald Trump’s key election pledges was to repeal and replace President Barack Obama’s Affordable Care Act.
Chief of Staff Reince Priebus said President Trump’s executive order was for federal departments to “minimize the economic burden”‘ of the act, but he gave no details.
Donald Trump also signed a proclamation declaring a national day of patriotism.
Asked about his first day, which was capped by a dance with First Lady Melania to My Way, Donald Trump said “it was busy but good – a beautiful day”.