<Tr> <Th> Minor league affiliates </Th> <Td> <P> Hershey Bears (AHL) </P> South Carolina Stingrays (ECHL) </Td> </Tr> <P> Hershey Bears (AHL) </P> <Tr> <Th> Stanley Cups </Th> <Td> 1 (2017--18) </Td> </Tr> <Tr> <Th> Conference championships </Th> <Td> 2 (1997--98, 2017--18) </Td> </Tr>

When was the last time washington won the stanley cup