<Tr> <Th> Rank </Th> <Td> Drummer boy </Td> </Tr> <Tr> <Th> Unit </Th> <Td> 1st Minnesota Heavy Artillery Regiment </Td> </Tr> <Tr> <Th> Battles / wars </Th> <Td> American Civil War </Td> </Tr> <Tr> <Th> Memorials </Th> <Td> Monument at Gettysburg </Td> </Tr>

When did the last civil war general die