<P> The Pittsburgh Steelers have numerous unofficial fan clubs in many cities throughout the country, that typically meet in bars or taverns on game days . This phenomenon is known to occur for other NFL teams as well, but "Steeler bars" are more visible than most, including representative establishments even in cities that field their own NFL teams . </P> <P> The Terrible Towel has been described by the Associated Press as "arguably the best - known fan symbol of any major pro sports team". Conceived of by broadcaster Myron Cope in 1975, the towel's rights have since been given to the Allegheny Valley School in Coraopolis, Pennsylvania, which cares for over 900 people with intellectual disability and physical disabilities, including Cope's autistic son . Since 1996, proceeds from the Terrible Towel have helped raise more than $2.5 million for the school . </P> <Table> <Tr> <Td> </Td> <Td> This section does not cite any sources . Please help improve this section by adding citations to reliable sources . Unsourced material may be challenged and removed . (June 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section does not cite any sources . Please help improve this section by adding citations to reliable sources . Unsourced material may be challenged and removed . (June 2017) (Learn how and when to remove this template message) </Td> </Tr>

When did the steelers lose a super bowl