<Table> <Tr> <Th_colspan="2"> San Francisco 49ers </Th> </Tr> <Tr> <Td_colspan="2"> Current season </Td> </Tr> <Tr> <Td_colspan="2"> Established June 4, 1944; 73 years ago (June 4, 1944) First season: 1946 Play in Levi's Stadium Santa Clara, California Headquartered in Marie P. DeBartolo Sports Center Santa Clara, California </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> All - America Football Conference (1946--1949) </P> <Ul> <Li> Western Division (1946--1949) </Li> </Ul> <P> National Football League (1950--present) </P> <Ul> <Li> Coastal Division (1950--1970) </Li> <Li> National Football Conference (1970--present) <Ul> <Li> NFC West (1970--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> Red, Gold </P> </Td> </Tr> <Tr> <Th> Mascot </Th> <Td> Sourdough Sam </Td> </Tr> <Tr> <Th_colspan="2"> Personnel </Th> </Tr> <Tr> <Th> Chairman </Th> <Td> Denise DeBartolo York John York (co-chairs) </Td> </Tr> <Tr> <Th> CEO </Th> <Td> Jed York </Td> </Tr> <Tr> <Th> President </Th> <Td> Al Guido </Td> </Tr> <Tr> <Th> General manager </Th> <Td> John Lynch </Td> </Tr> <Tr> <Th> Head coach </Th> <Td> Kyle Shanahan </Td> </Tr> <Tr> <Th_colspan="2"> Team history </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> San Francisco 49ers (1946--present) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Team nicknames </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Niners </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Championships </Th> </Tr> <Tr> <Td_colspan="2"> <P> League championships (5) </P> <Ul> <Li> Super Bowl championships (5) 1981 (XVI), 1984 (XIX), 1988 (XXIII), 1989 (XXIV), 1994 (XXIX) </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> <P> Conference championships (6) </P> <Ul> <Li> NFC: 1981, 1984, 1988, 1989, 1994, 2012 </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> <P> Division championships (19) </P> <Ul> <Li> NFC West: 1970, 1971, 1972, 1981, 1983, 1984, 1986, 1987, 1988, 1989, 1990, 1992, 1993, 1994, 1995, 1997, 2002, 2011, 2012 </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Playoff appearances (26) </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> AAFC: 1949 </Li> <Li> NFL: 1957, 1970, 1971, 1972, 1981, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2001, 2002, 2011, 2012, 2013 </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Home fields </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Kezar Stadium (1946--1970) </Li> <Li> Candlestick Park (1971--2013) </Li> <Li> Stanford Stadium (1989, one game after Loma Prieta earthquake) </Li> <Li> Levi's Stadium (2014--present) </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> San Francisco 49ers </Th> </Tr>

When was the last time the san francisco 49ers won a superbowl
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