<Tr> <Th_colspan="4"> Vice Presidency vacancies </Th> </Tr> <Tr> <Th> Dates </Th> <Th> Length in days </Th> <Th> Reason </Th> <Th> Next Vice President after vacancy </Th> </Tr> <Tr> <Td> 01! March 4, 1789--April 21, 1789 </Td> <Td> 7001480000000000000 ♠ 48 </Td> <Td> Logistical delays as the new Federal Government began operations </Td> <Td> John Adams, following his inauguration </Td> </Tr> <Tr> <Td> 02! April 20, 1812--March 4, 1813 </Td> <Td> 7002318000000000000 ♠ 318 </Td> <Td> George Clinton died </Td> <Td> Elbridge Gerry, following election of 1812 </Td> </Tr>

Who chooses a party's candidate for vice president