The inauguration of Donald Trump as the 45th president of the United States marked the commencement of the only term of Donald Trump as president and Mike Pence as vice president.[1] An estimated 300,000 to 600,000 people attended the public ceremony held on Friday, January 20, 2017, at the West Front of the United States Capitol in Washington, D.C. The event was the 58th presidential inauguration. Held in Washington, D.C., from January 17 to 21, 2017, inaugural events included concerts, the swearing-in ceremony, a congressional luncheon, parade, inaugural balls, and the interfaith inaugural prayer service. Administered by Chief Justice of the United States John Roberts, the presidential oath was taken by Trump as his first task after becoming president at noon, in keeping with Article Two, Section 1, Clause 8 and the 20th Amendment to the U.S. Constitution, with the vice presidential oath taken by Pence and administered by Associate Justice Clarence Thomas immediately preceding it. Trump was sworn in with his left hand on a pair of Bibles, his personal copy and the Lincoln Bible.[6][7] The inauguration was accompanied by protests worldwide. The inauguration marked the formal culmination of the presidential transition of Donald Trump that began when he won the U.S. presidential election on November 9, 2016, and became the president-elect. Trump and his running mate, Mike Pence, were formally elected by the Electoral College on December 19, 2016.[10][11] The win was certified by an electoral vote tally by a joint session of Congress on January 6, 2017. At 70 years, 220 days of age on Inauguration Day, Trump was the oldest person to assume the presidency until Joe Biden in 2021. Upon his inauguration, Trump also became the wealthiest president and the first person to become president without any prior political or military experience. His wife, Melania, is the second first lady to be born outside the U.S. (after Louisa Adams) and first not to be born in an English-speaking country, the first naturalized citizen to become the first lady, and the first born in the 1970s. The swearing-in ceremony and the inaugural luncheon for President-elect Trump and Vice President–elect Pence were planned by the Joint Congressional Committee on Inaugural Ceremonies, a committee composed of Sen. Roy Blunt of Missouri, the committee chair, and Senate party leaders Sen. Mitch McConnell Kentucky and Chuck Schumer of New York], and House speaker Paul Ryan of Wisconsin, and House party leaders Rep. Kevin McCarthy of California and Rep. Nancy Pelosi of California. The committee was overseen by the Senate Committee on Rules and Administration. The Joint Congressional Committee on Inaugural Ceremonies chose the inaugural theme "Uniquely American" to highlight the inaugural ceremony as "a uniquely American expression of our Constitutional system" and stress the peaceful transition of power. The Inauguration Committee released the full schedule of the January 20 inaugural events on December 21, 2016. Military support to the 58th inauguration was coordinated by Joint Task Force National Capital Region, providing musical military units, marching bands, color guards, ushers, firing details, and salute batteries.