The Bengals have made two Super Bowl appearances, 1981 and 1988 seasons. They lost both.
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Cincinnati was in their last Super Bowl (#23) on Jan 22, 1989. The Bengals lost the game, 20 - 16 to the SF 49ers.
As of the 2008 season, that was Super Bowl XXIII against the San Francisco 49ers played January 22, 1989. The Bengals lost 20-16.
Through Super Bowl XLIII, that was Super Bowl XXIII played January 22, 1989 against the San Francisco 49ers. The 49ers won 20-16.
The New York Giants are in the National Football Conference and the Cincinnati Bengals are in the American Football Conference. The only time they could meet in the postseason is in the Super Bowl, and they have never played each other for the NFL title.
The last time the Bengals beat the Steelers was on December 23, 2012.
1990
2009
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Bengals XVI , Dolphins XIX, Bengals XXII , Broncos, XXIV , Chargers XXIX. The last one for a while until the Yorks are out of the picture.
Super Bowl XXIII was lost by the Cincinnati Bengals. In one of the more thrilling games in the Super Bowl series, San Francisco 49ers' Hall of Fame quarterback Joe Montana led his offense down the field on a late fourth quarter drive to give his Niners a 20-16 victory over the Bengals. San Fran's third Lombardi Trophy would be the last they achieved under legendary coach Bill Walsh, who announced his retirement after the Lombardi Trophy ceremony
January 6, 1991.