<Tr> <Th_colspan="2"> Siege of Vicksburg </Th> </Tr> <Tr> <Td_colspan="2"> Part of the American Civil War </Td> </Tr> <Tr> <Td_colspan="2"> The Siege of Vicksburg by Kurz and Allison </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Date </Th> <Td> May 18--July 4, 1863 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Warren County, Mississippi 32 ° 20 ′ 36.96" N 90 ° 51 ′ 3.96" W ﻿ / ﻿ 32.3436000 ° N 90.8511000 ° W ﻿ / 32.3436000; - 90.8511000 Coordinates: 32 ° 20 ′ 36.96" N 90 ° 51 ′ 3.96" W ﻿ / ﻿ 32.3436000 ° N 90.8511000 ° W ﻿ / 32.3436000; - 90.8511000 </Td> </Tr> <Tr> <Th> Result </Th> <Td> Union victory </Td> </Tr> </Table> </Td> </Tr>

Where did the longest siege of the civil war occur