Donald Trump took the Oath of Office and was sworn in as the 47th President of the United States. He is only the second man in the nation’s history to return to the Oval Office after a hiatus. He has promised to "act with historic speed" – and on his first day in office,

Here’s a short list of presidents who lived elsewhere during their time in office and when the president could move into the White House.

World leaders congratulated President Donald Trump on his inauguration Monday, with many urging stronger alliances or continued cooperation between their countries and the United States, in carefully crafted social media posts and statements.