Headquartered in Santa Clara, California uniform = File:NFCW-Uniform-SF.PNG colors = Primary:Color box #C80815 Scarlet (Red) Color box#E6BE8A 49ers Gold (Metallic) (Gold (color)) nicknames = Niners, The Red And Gold, Bay Bombers, and The Team of the Eighties coach = Mike Singletary general manager = - owner = Denise DeBartolo York and John York chairman = Denise DeBartolo York and John York ceo = Jed York president = Jed York mascot = Sourdough Sam hist_yr = 1946 affiliate_old = All-America Football Conference (1946-1949) * Western Division (1946-1949) NFL_start_yr = 1950 division_hist = * National Conference (1950-1952) * Western Conference (1953-1969) ** Coastal Division (1967-1969) * National Football Conference (1970-present) ** NFC West (1970-present) no_league_champs = 5 no_sb_champs = 5 no_conf_champs = 5 no_div_champs = 17

sb_champs = 1981 (XVI (Super Bowl XVI)), 1984 (XIX (Super Bowl XIX)), 1988 (XXIII (Super Bowl XXIII)), 1989 (XXIV (Super Bowl XXIV)), 1994 (XXIX (Super Bowl XXIX)) conf_champs = * NFC: 1981, 1984, 1988, 1989, 1994 div_champs = * NFC West: 1970, 1971, 1972, 1981, 1983, 1984, 1986, 1987, 1988, 1989, 1990, 1992, 1993, 1994, 1995, 1997, 2002 playoff_appearances = AAFC: 1949NFL: 1957, 1970, 1971, 1972, 1981, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2001, 2002 no_playoff_appearances = 23 stadium_years = * Kezar Stadium (1946—1970) * Candlestick Park (1971—present) **a.k.a. 3Com Park at Candlestick Point (1995-2002) **a.k.a. San Francisco Stadium at Candlestick Point (2002-2004) **a.k.a. Monster Park (2004-2008)

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The San Francisco 49ers (often referred to as the Niners) are a professional American football team. The team plays its home games in San Francisco, California, while the clubs headquarters and practice facility are located in Santa Clara (Santa Clara, California). The 49ers are currently a member of the Western Division (NFC West) of the National Football Conference (NFC) in the National Football League (NFL).

The 49ers began play in 1946 as a charter member of the All-America Football Conference (AAFC) and joined the NFL in 1950 after the AAFC merged into the older league. The team was the first NFL franchise to win five Super Bowls. San Francisco is second only to the Pittsburgh Steelers in Super Bowl wins (6) and tied with the Dallas Cowboys with 5 each. Their five league titles place them in a four-way tie for sixth behind the Green Bay Packers (12), the Dallas Cowboys (10), the Chicago Bears (9), the New York Giants (7), and the Steelers (6).

The 49ers teams of the 1980s and early 1990s were a great dynasty given their five Super Bowl triumphs in that span, including four in the 1980s. The Niners won 10 or more games for 16 straight seasons. Particularly notable seasons are the 1984 (1984 San Francisco 49ers season) and 1989 (1989 San Francisco 49ers season) teams. Three-time Super Bowl MVP Joe Montana, perennial Pro Bowler Ronnie Lott, all-time highest career quarterback rating holder Steve Young (Steve Young (American football)), and career touchdown leader Jerry Rice played for the 49ers during this period. Additionally, some of the most memorable plays (including "The Catch (The Catch (American football))") and games (such as Super Bowl XXIII) were played by this team.

The name "49ers" comes from the name given to the gold prospectors who arrived in Northern California around 1849 during the California Gold Rush.