Pittsburgh Steelers (16) and hosted more conference championship games (11) than any other NFL team. The Steelers have won 8 AFC championships, tied with the Denver Broncos, but behind the New England Patriots' record 10 AFC championships. The Steelers share the record for second most Super Bowl appearances with the Broncos, and Dallas Cowboys (8). The Steelers lost their most recent championship appearance, Super Bowl XLV, on February 6, 2011. The Steelers, whose history traces to a regional pro team that was established in the early 1920s, joined the NFL as the Pittsburgh Pirates on July 8, 1933, owned by Art Rooney
History of the Pittsburgh Steelers fifth head coach. Kiesling was unable to salvage the season; the team ended 1939 with a worst yet mark of 1–9–1. The season's lone win came in the season's final game against the Philadelphia Eagles, with whom the Steelers shared the league cellar – the Eagles compiled an identical 1–9–1 record with their season's sole bright spot being an earlier triumph over the Steelers. The victory broke a winless streak that had extended to nearly fourteen months. Through the 1930s, the Pirates never finished higher than second place in their division, or with a record better than .500. In early