The President whose cabinet James Mattis served on assumed office on what date?
Cabinet of Donald Trump This article lists the members of President Donald Trump's Cabinet. Trump assumed office on January 20, 2017.
First inauguration of Woodrow Wilson The first inauguration of Woodrow Wilson as the 28th President of the United States was held on Tuesday, March 4, 1913, at the east portico of the United States Capitol in Washington, D.C.. The inauguration marked the commencement of the first four-year term of Woodrow Wilson as President and of Thomas R. Marshall as Vice President. Chief Justice Edward D. White administered the presidential oath of office to Wilson.