Richard M. Nixon was the first president to visit all 50 states.
Andrew Johnson was the only president to sew his own clothes.
David Rice Atchison, the President Pro Tempore of the Senate, was president for a day. When Zachary Taylor was inaugurated in 1849, he refused to take the oath on a Sunday, so someone had to be sworn into office for one day. Atchison got the job.
Woodrow Wilson is the only president buried at Washington D.C.
Millard Fillmore authorized Matthew C. Perry’s trip to Japan, which helped open trade with Japan.