As it Happened: Donald Trump sworn in as 45th President of the United States

Donald Trump said power had returned to the people in his inauguration speech

Barack Obama, Michelle Obama, White House, inauguration, Donald Trump, Melania Trump,

Image: President Barack Obama, first lady Michelle Obama, President-elect Donald Trump and Melania Trump stand at the White House in Washington, Friday, Jan. 20, 2017. (AP Photo/Evan Vucci)

As Barack Obama departed the White House, Donald Trump became the 45th President of the United States.