| |
Date |
Event(s) |
| 1 | 1850 | - 9 Jul 1850—3 Mar 1853: Millard Fillmore, President
|
| 2 | 1853 | - 4 Mar 1853—3 Mar 1857: Franklin Pierce, President
|
| 3 | 1857 | - 4 Mar 1857—3 Mar 1861: James Buchanan, President
|
| 4 | 1861 | - 1861—1865: Civil War
- 4 Mar 1861—15 Apr 1865: Abraham Lincoln, President
|
| 5 | 1865 | - 15 Apr 1865—3 Mar 1869: Andrew Johnson, President
|
| 6 | 1869 | - 4 Mar 1869—3 Mar 1877: Ulysses S. Grant, President
|
