The President whose cabinet James Mattis served on assumed office on what date?
James Mattis James Norman "Jim" Mattis (born September 8, 1950) is a retired United States Marine Corps general who is the 26th and current United States Secretary of Defense, serving in the Cabinet of Donald Trump. Mattis was previously the 11th Commander of United States Central Command during the presidency of Barack Obama, and was responsible for American military operations in the Middle East, Northeast Africa, and Central Asia.
Inauguration of John F. Kennedy The inauguration of John F. Kennedy as the 35th President of the United States was held on Friday, January 20, 1961 at the eastern portico of the United States Capitol in Washington, D.C.. The inauguration marked the commencement of John F. Kennedy's only term as President and of Lyndon B. Johnson's only term as Vice President. Kennedy was murdered into this term, and Johnson succeeded to the presidency.