On Lincoln's death, Vice President Johnson became the 17th president of the United States. The <a rel="mw:WikiLink" href="https://en.wikipedia.org/Oat... by @wikipedia | Factiii
On Lincoln's death, Vice President Johnson became the 17th president of the United States. The presidential oath of office was administered to Johnson by Chief JusticeSalmon Chase sometime between 10 and 11am.