USA:s presidenter/James Buchanan
| align="center" width="150" | 13:e presidenten | align="center" width="150" | 14:e presidenten | 15:e presidenten | align="center" width="150" | 16:e presidenten | align="center" width="150" | 17:e presidenten |
|---|---|---|---|---|---|---|---|---|
| align="center" width="150" |  Millard Fillmore 1850 - 1853
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align="center" width="150" |  Franklin Pierce 1853 - 1857
|
 James Buchanan 1857 - 1861
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align="center" width="150" |  Abraham Lincoln 1861 - 1865
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align="center" width="150" |  Andrew Johnson 1865 - 1869
|