Donald Trump takes the oath of office in the presence of wife Melania, and his children Barron, Ivanka, Eric and Tiffany. Pic/AP

Washington: Pledging to empower America’s “forgotten men and women”, Donald Trump was sworn in as the 45th USâÂÂu00c2u0080ÂÂu00c2u0088President last night, taking command of a deeply divided nation and ushering in an unpredictable era in Washington. His victory gives Republicans control of the White House for the first time in eight years.