Since the U.S. capital first moved from Philadelphia in 1800, only four presidents have been sworn in outside of Washington, D.C. Chester A. Arthur and Calvin Coolidge took the oath of office at their family homes after their predecessors died. Lyndon Johnson was famously sworn in aboard Air Force One after John F. Kennedy’s assassination. And Theodore Roosevelt, who at 42 is the youngest man ever to assume the office of the presidency, did so in September 1901 at a private residence in Buf...
