Title: History of the Denver Broncos
Content:  14, 2006, the Broncos defeated the two-time defending champion New England Patriots, 27–13, in the divisional round – denying the Patriots from becoming the first NFL team ever to win three consecutive Super Bowl championships. The last team with an opportunity of winning three consecutive Super Bowls before the Patriots were the Broncos themselves. The Broncos' playoff run came to an end after losing to the Pittsburgh Steelers in the AFC Championship, 34–17, on January 22, 2006. Denver turned the ball over four times and were outscored in the first half, 24–3. The Steelers went on to win Super Bowl XL.
Title: Denver Broncos
Content:  Broncos to six post-season appearances, five AFC West divisional titles, three AFC championships and three Super Bowl appearances (Super Bowl XXI, XXII and XXIV) during their 12-year span together. The Broncos lost Super Bowl XXI to the New York Giants, 39–20; Super Bowl XXII to the Washington Redskins, 42–10; and Super Bowl XXIV to the San Francisco 49ers, 55–10; the latter score remains the most lopsided scoring differential in Super Bowl history. The last year of the Reeves-Elway era were marked by feuding, due to Reeves taking on play-calling duties after ousting Elway's favorite offensive coordinator Mike Shanahan after the 1991 season, as well as Reeves drafting quarterback Tommy Maddox out of UCLA instead of going with 
Title: List of Denver Broncos seasons
Content:  four Super Bowl appearances, they have since won three of them, most recently Super Bowl 50. The franchise has experienced three major periods of success. The first was from to, when the Broncos did not have a losing season (a season when the team has more losses than wins), and won two AFC West division titles, and one AFC championship. The second began in and ended in. During this period, the Broncos had just two losing seasons, were AFC champions five times and were Super Bowl champions for two consecutive years. This second period of success is best remembered for John Elway being the team's quarterback. The most recent run 
Title: 2005 Denver Broncos season
Content:  The 2005 Denver Broncos season was the franchise's 36th season in the National Football League and the 46th overall. The Denver Broncos closed out the 2005 regular season with a 13–3 record, the franchise's second-best number of wins of all time and their third best win percentage ever. They won their first playoff game since their 1998 Super Bowl-winning season. Although they eliminated the defending back-to-back Super Bowl champion New England Patriots to end their hopes of becoming the first NFL team to three-peat, they failed to get to the Super Bowl, losing to the Pittsburgh Steelers, the eventual champions, in the AFC Championship game. The Broncos were expected by many to make the Super Bowl for the first time in the post-John Elway era. Denver would not make the postseason again until 2011 under Tim Tebow's leadership or another Conference championship until 2013, under the leadership of Peyton Manning whom the Broncos acquired in 2012.
Title: 2015 Denver Broncos season
Content:  case during the regular season, the Broncos' defense dominated their playoff opponents. During the Broncos' three playoff games, they recorded 14 sacks, forced seven turnovers, surrendered only one touchdown pass and gave up just 44 combined points (an average of just 14.7 points a game). The Broncos defeated the Pittsburgh Steelers 23–16 in the Divisional round and the defending Super Bowl champion New England Patriots 20–18 in the AFC Championship Game. The Broncos then defeated the Carolina Panthers 24–10 in Super Bowl 50—the franchise's third Super Bowl championship, and the first since winning back-to-back Super Bowls in 1997 and 1998.
Title: 2016 Denver Broncos season
Content:  The 2016 Denver Broncos season was the franchise's 47th season in the National Football League and the 57th overall. It was also the second season under head coach Gary Kubiak, as well as the final season of Kubiak's Broncos tenure, as he retired at the end of the season due to health concerns. The Broncos entered the season as defending champions of Super Bowl 50, after undergoing numerous roster changes as well as an off-season and preseason that was dominated by a quarterback controversy, following the retirement of Peyton Manning. Following a 4–0 start, the team sputtered down the stretch, missing the playoffs for the first time since 2010, as well as having their franchise-record streak of five consecutive playoff appearances and five consecutive AFC West division titles snapped. In addition, the Broncos became the 12th consecutive team to fail to repeat as Super Bowl champions, as well as the first reigning champion to miss the playoffs since the 2013 Baltimore Ravens. In terms of statistics, the Broncos' offense scored 30 or more points only once.
Title: 2005 Denver Broncos season
Content:  2006, the Broncos defeated the two-time defending champions, the New England Patriots, 27–13, ending the Patriots chance of becoming the first NFL team ever to win three consecutive Super Bowl championships. The last team with a chance of winning three consecutive Super Bowls before the Patriots were the Broncos themselves. The Broncos' run came to an end by losing to the Pittsburgh Steelers in the AFC Championship 34–17 on January 22, 2006. Their strength of controlling the ball collapsed with 4 turnovers. They were outscored in the first half 24–3 and were not able to come from behind to win in the second half. The Steelers went on to win Super Bowl XL.
Title: 1998 Denver Broncos season
Content:  The  Denver Broncos season was the franchise's 29th season in the National Football League, and the 39th overall. The Broncos entered the season as the defending Super Bowl champions and looked to become only the fifth team in league history to win consecutive Super Bowls. Finishing with a record of 12-4 the previous year, the Broncos improved on that mark by two wins and tied the Atlanta Falcons for second best record at 14-2. They won their first thirteen games, the best start since the unbeaten 1972 Dolphins. After sixteen seasons, John Elway retired following the Super Bowl. He finished his Broncos career with 51,475 
Title: List of Denver Broncos seasons
Content:  The Denver Broncos are an American football franchise based in Denver, Colorado. Founded by Bob Howsam on August 14, 1959, the team was one of the founder members of the American Football League (AFL), which began in 1960, before merging with the National Football League (NFL) ahead of the 1970 season, when the Broncos became part of the American Football Conference (AFC) West division; they have been in the same division ever since. As of the end of the 2020 season, Denver has completed 61 seasons (playing in over 970 combined regular season and playoff games), and has appeared in eight Super Bowls; although they lost in each of their 
Title: 1986 Denver Broncos season
Content:  The  Denver Broncos season was the franchise's 27th year in professional football and its 17th with the National Football League (NFL). They finished the regular season with a record of 11–5, returned to the playoffs after a one-year absence, won the AFC Championship over the Cleveland Browns, and lost Super Bowl XXI to the New York Giants, the first of back to back Super Bowl losses for the team.

Question: when is the last time the denver broncos won the superbowl?
Answer: Super Bowl XXXIII.