<Table> <Tr> <Th_colspan="2"> Pittsburgh Steelers </Th> </Tr> <Tr> <Td_colspan="2"> Current season </Td> </Tr> <Tr> <Td_colspan="2"> Established July 8, 1933; 84 years ago (July 8, 1933) First season: 1933 Play in Heinz Field Pittsburgh, Pennsylvania Headquartered in UPMC Sports Performance Complex Pittsburgh, Pennsylvania Training camp in Latrobe, Pennsylvania </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Logo </Td> <Td> Wordmark </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> League / conference affiliations </Th> </Tr> <Tr> <Td_colspan="2"> <P> National Football League (1933--present) </P> <Ul> <Li> Eastern Division (1933--1943, 1945--1949) </Li> <Li> Western Division (1944) </Li> <Li> American Conference (1950--1952) </Li> <Li> Eastern Conference (1953--1969) <Ul> <Li> Century Division (1967--1969) </Li> </Ul> </Li> <Li> American Football Conference (1970--present) <Ul> <Li> AFC Central (1970--2001) </Li> <Li> AFC North (2002--present) </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> Current uniform </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Team colors </Th> <Td> <P> Black, Gold </P> </Td> </Tr> <Tr> <Th> Mascot </Th> <Td> Steely McBeam </Td> </Tr> <Tr> <Th_colspan="2"> Personnel </Th> </Tr> <Tr> <Th> Owner (s) </Th> <Td> Rooney family </Td> </Tr> <Tr> <Th> President </Th> <Td> Art Rooney II </Td> </Tr> <Tr> <Th> General manager </Th> <Td> Kevin Colbert </Td> </Tr> <Tr> <Th> Head coach </Th> <Td> Mike Tomlin </Td> </Tr> <Tr> <Th_colspan="2"> Team history </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Pittsburgh Pirates (1933--1939) </Li> <Li> Pittsburgh Steelers (1940--1942; 1945--present) </Li> <Li> Phil - Pitt "Steagles" (1943) </Li> <Li> Card - Pitt (1944) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Team nicknames </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Steel Curtain (Defensive line, 1969--1981) </Li> <Li> Steeler Nation </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Championships </Th> </Tr> <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> <Tr> <Td_colspan="2"> <P> Conference championships (8) </P> <Ul> <Li> AFC: 1974, 1975, 1978, 1979, 1995, 2005, 2008, 2010 </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> <P> Division championships (23) </P> <Ul> <Li> AFC Central: 1972, 1974, 1975, 1976, 1977, 1978, 1979, 1983, 1984, 1992, 1994, 1995, 1996, 1997, 2001 </Li> <Li> AFC North: 2002, 2004, 2007, 2008, 2010, 2014, 2016, 2017 </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Playoff appearances (31) </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> NFL: 1947, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1982, 1983, 1984, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 2001, 2002, 2004, 2005, 2007, 2008, 2010, 2011, 2014, 2015, 2016, 2017 </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Home fields </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Forbes Field (1933--1963) </Li> <Li> Shibe Park (1943) </Li> <Li> Comiskey Park (1944) </Li> <Li> Pitt Stadium (1958--1969) </Li> <Li> Three Rivers Stadium (1970--2000) </Li> <Li> Heinz Field (2001--present) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Team owner (s) </Th> </Tr> <Tr> <Td_colspan="2"> Rooney family (1933--present) </Td> </Tr> <Tr> <Th_colspan="2"> Team president (s) </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Art Rooney (1933--1975) </Li> <Li> Dan Rooney (1975--2002) </Li> <Li> Art Rooney II (2002--present) </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Pittsburgh Steelers </Th> </Tr>

How many superbowl rings does the pittsburgh steelers have