<Tr> <Td> Battle of Chancellorsville </Td> <Td> April 30--May 6, 1863 </Td> <Td> Virginia </Td> <Td> </Td> <Td> Confederate victory: Lee defeats Hooker's Army of Potomac, Jackson mortally wounded . </Td> </Tr> <Tr> <Td> Battle of Port Gibson </Td> <Td> May 1, 1863 </Td> <Td> Mississippi </Td> <Td> </Td> <Td> Union victory: in Vicksburg campaign, Grant defeats Confederates </Td> </Tr> <Tr> <Td> Battle of Chalk Bluff </Td> <Td> May 1--2, 1863 </Td> <Td> Arkansas </Td> <Td> </Td> <Td> Confederate victory: Confederates win but can't continue raid . </Td> </Tr> <Tr> <Td> Second Battle of Fredericksburg </Td> <Td> May 3, 1863 </Td> <Td> Virginia </Td> <Td> </Td> <Td> Union victory: Union forces under John Sedgwick defeat Confederate forces left to guard the town by Lee . </Td> </Tr>

Who won the battles in the civil war