| First US President to... | |
| be in office when Congress declared war | |
| serve in office during the 20th century | |
| be the son of a previous president | |
| purchase colonial lands from European nations | |
| serve in office during the 21st century | |
| not be of British descent | |
| be a military general | |
| | First US President to... | |
| replace a dead president in office | |
| be assassinated | |
| live in the white house | |
| be impeached | |
| be awarded the Nobel Peace Price | |
| be born in a hospital | |
| die in office | |
|