<Tr> <Td_colspan="2"> <P> League championships (6) </P> <Ul> <Li> Super Bowl championships (6) 1974 (IX), 1975 (X), 1978 (XIII), 1979 (XIV), 2005 (XL), 2008 (XLIII) </Li> </Ul> </Td> </Tr> <P> League championships (6) </P> <Ul> <Li> Super Bowl championships (6) 1974 (IX), 1975 (X), 1978 (XIII), 1979 (XIV), 2005 (XL), 2008 (XLIII) </Li> </Ul> <Li> Super Bowl championships (6) 1974 (IX), 1975 (X), 1978 (XIII), 1979 (XIV), 2005 (XL), 2008 (XLIII) </Li>

When did the pittsburgh steelers win their first super bowl