List of US Presidents (Scenario: Pax Humanum)

1 Died while Vice President.

2 Resigned as Vice President.

3 Died of natural causes.

4 Democrat on Whig ticket.

5 Died while Vice President, not replaced.

6 Assassinated.

7 Democrat who ran on Union ticket with Republican Lincoln.

8 Resigned.

9 Sworn in later than expected

10 Impeached