The inauguration of Donald Trump as the 45th President of the United States marked commencement of the four-year term of Donald Trump as President and Mike Pence as Vice President. An estimated 300,000–600,000 people attended the public ceremony held on Friday, January 20, 2017 on the West Front of the United States Capitol Building in Washington, D.C. Along with being the oldest and wealthiest person to assume the presidency, he is the first without prior military or governmental service ...