<Tr> <Th> 1974 </Th> <Td> 19582000 </Td> </Tr> <Tr> <Th> Currency </Th> <Td> đồng </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> Preceded by </Td> <Td> Succeeded by </Td> </Tr> <Tr> <Td> <Table> <Tr> <Td> </Td> <Td> State of Vietnam </Td> </Tr> </Table> </Td> <Td> <Table> <Tr> <Td> Provisional Revolutionary Government of the Republic of South Vietnam </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> Preceded by </Td> <Td> Succeeded by </Td> </Tr> <Tr> <Td> <Table> <Tr> <Td> </Td> <Td> State of Vietnam </Td> </Tr> </Table> </Td> <Td> <Table> <Tr> <Td> Provisional Revolutionary Government of the Republic of South Vietnam </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> </Table>

Who ruled north and south vietnam in 1954