Logo of the National Football League’s San Francisco 49ers, used from 1968 until 1995. The franchise has won 5 Super Bowl titles in its’ history, 3 under the late Bill Walsh and 2 more under George Siefert. The Niners were born as a franchise in the old All-America Conference in 1946, and entered the NFL in 1950. Their 5 Super Bowl titles rank them tied for second among NFL teams, but they have the distinction of being the only team with multiple Super Bowl wins that has never lost in the game.