<Tr> <Th> </Th> <Td> 20 December 1947 </Td> <Td> National Stadium, Cardiff </Td> <Td> 6--0 </Td> <Td> Wales </Td> <Td> </Td> </Tr> <Tr> <Th> </Th> <Td> 4 January 1958 </Td> <Td> National Stadium, Cardiff </Td> <Td> 9--3 </Td> <Td> Wales </Td> <Td> </Td> </Tr> <Tr> <Th> 5 </Th> <Td> 3 December 1966 </Td> <Td> National Stadium, Cardiff </Td> <Td> 11--14 </Td> <Td> Australia </Td> <Td> </Td> </Tr> <Tr> <Th> 6 </Th> <Td> 21 June 1969 </Td> <Td> Sydney Cricket Ground, Sydney </Td> <Td> 16--19 </Td> <Td> Wales </Td> <Td> </Td> </Tr>

When did wales last beat australia in rugby union