The new president was a fierce critic of Barack Obama's foreign policy during the presidential campaign. Here's a look at the difficult issues he has just inherited.
President Trump and his top aides spent their first weekend in the White House threatening reporters and insisting on the veracity of demonstrably false statements.
The president met with corporate executives on Monday, promising tax cuts and regulatory relief. But he also warned CEOs against moving jobs to other countries.
Boston, San Francisco, London, Sydney — D.C.'s massive protest has spawned sister marches in all 50 states and hundreds of cities across seven continents. Here's a glimpse of some of the biggest.
Press Secretary Sean Spicer berated the press for incorrect reporting on crowd size at the National Mall, but then he cited incorrect numbers for Metro ridership and falsely claimed the mall was full.
The president falsely denied that he had ever criticized the agency, falsely inflated the crowd size at his inauguration on Friday and told officers to "Trust me. I'm like a smart person."
Trump briefly sought the 2000 presidential nomination of the Reform Party. It eventually went to Pat Buchanan, whom Trump called a "Hitler lover." Buchanan's slogan that fall was "America First!"
The new White House took action on four measures Friday night, notably on the Affordable Care Act and regulations. The White House did not immediately make it clear what exactly was signed.
When the clock struck noon, the White House website switched over to signify Donald Trump becoming the new president. And on that site, Trump laid out how he would approach the world.
As Donald Trump was sworn in as the 45th U.S. president Friday, protests and demonstrations were underway around the world, from London to Manila. There were a few celebrations, too.