A Democrat who ran with Lincoln on the National Union ticket, Andrew Johnson came to office as the Civil War concluded. The new president favored quick restoration of the seceded states to the Union. His plans did not give protection to the former slaves, and he came into conflict with the Republican-dominated Congress, culminating in his impeachment by the House of Representatives. He was acquitted in the Senate by one vote.
A few weeks before Abraham Lincoln was elected President of the United States, eleven-year-old Grace Bedell sent him a letter urging him to grow a beard to improve his appearance. Lincoln responded on October 19, 1860, making no promises. However, within a month, he grew a full beard.
The list of U. S. Presidents who didn't earn a college degree is pretty extensive, including George Washington, Abraham Lincoln, Andrew Jackson, Martin Van Buren, Zachary Taylor, Millard Fillmore, Andrew Johnson, Grover Cleveland, James Monroe, William Henry Harrison, William McKinley, and Harry S. Truman.