Title: History of the Seattle Seahawks
Content:  For the first time in franchise history, the Seahawks started a season as the defending Super Bowl champions. As such, they earned the right to host the NFL Kickoff Game, where they defeated the Green Bay Packers 36–16. Then in Week 2, they traveled to San Diego, where the Chargers defeated them by a score of 30–21. This was Seattle's worst defeat since a 23–13 loss to the Dallas Cowboys in Week 9 of the 2011 season. Then in Week 3, they returned home to face the Denver Broncos in a rematch of Super Bowl XLVIII. Seattle took a 17–3 lead going 
Title: History of the Seattle Seahawks
Content:  On Sunday, February 1, 2015, in Super Bowl XLIX, the Seahawks faced off against Tom Brady and the New England Patriots, seeking to become the first team to win two consecutive Super Bowls since the Patriots themselves won Super Bowl XXXVIII and Super Bowl XXXIX following the 2003 and 2004 seasons, respectively. After a scoreless first quarter, both teams scored two touchdowns in the second quarter, and the game was tied 14–14 at halftime. In the third quarter, the Seahawks scored a field goal and a touchdown to take a ten-point lead, which they held going into the fourth quarter. However, 
Title: History of the Seattle Seahawks
Content:  The 2005 season saw them advance to the Super Bowl for the first time in the team's history. They were the NFC representative in Super Bowl XL, a game they lost to the Pittsburgh Steelers. The Seahawks compiled a 13–3 record in the regular season, easily winning the NFC West and clinching home field advantage in the NFC playoffs. There, they beat the Washington Redskins and Carolina Panthers to win the George Halas Trophy and advance to the Super Bowl, the first in franchise history.
Title: Super Bowl XL
Content:  The Seahawks entered Super Bowl XL after finishing the regular season with an NFC-best 13–3 record. After a rocky 2–2 start, they won 11 consecutive games before losing to the Green Bay Packers to finish the season. The 13–3 record and 11-game winning streak set new team records. This was Seattle's first Super Bowl appearance in the team's 30-year history. The Seahawks had been mediocre for much of the 1990s, recording eight consecutive non-winning seasons from 1991 through 1998. The team hit a low point in 1996, when then-owner Ken Behring announced his intention to move the team to the Los Angeles area. The team's fortunes began to turn in 1997, 
Title: Seattle Seahawks
Content:  NFC Championship Games. They have progressed to three Super Bowls, losing 21–10 to the Pittsburgh Steelers at Super Bowl XL, defeating the Denver Broncos 43–8 for their first championship at Super Bowl XLVIII, and losing 28–24 to the New England Patriots at Super Bowl XLIX. NFL players Kenny Easley, Walter Jones, Steve Hutchinson, Cortez Kennedy, and Steve Largent have been voted into the Pro Football Hall of Fame primarily or wholly for their accomplishments as Seahawks. In addition, players Dave Brown, Jacob Green, Dave Krieg, Curt Warner, Jim Zorn, and Matt Hasselbeck have been inducted into the Seahawks Ring of Honor along with head coaches Chuck Knox and Mike Holmgren, radio announcer Pete Gross, and franchise owner Paul Allen.
Title: History of the Seattle Seahawks
Content:  intended target on all four of Seattle's interceptions. The final score was Seattle 28, Green Bay 22. Thus Seattle became the first defending champion since the 2004 New England Patriots to return to the Super Bowl the next season. They also became the first NFC team since the 1997 Green Bay Packers to repeat as NFC Champions, the first team to go to consecutive Super Bowls as the #1 seed in the playoffs since the 1990–1991 Buffalo Bills, and the first NFC team to go to consecutive Super Bowls as the #1 seed in the playoffs since the 1982–1983 Washington Redskins.
Title: Super Bowl XL
Content:  The Seahawks became the first team to advance to the Super Bowl without playing a division champion in the playoffs (later matched by the Colts in 2009, Steelers in 2010, and the Seahawks again in 2013, with the 2013 Seahawks being the only one of the four to win the Super Bowl). Off a first-round bye, Seattle defeated the sixth-seeded Washington Redskins, 20–10, before eliminating the fifth-seeded Carolina Panthers, 34–14, in the NFC Championship Game. These were Seattle's first playoff victories since the 1984 season when they defeated the Los Angeles Raiders 13–7, when the team was still in the AFC (the Seahawks were 
Title: History of the Seattle Seahawks
Content:  won Super Bowl XLVIII by a final score of 43–8. The win marked the Seahawks' first Super Bowl Championship in franchise history. Russell Wilson finished with 206 passing yards and two touchdowns having won the Super Bowl in just his second year in the NFL, while the Seahawks defense logged four takeaways. Malcolm Smith was named Super Bowl MVP thanks in large part to his interception return and a fumble recovery in the second half. Upon returning to Seattle, the Seahawks, in true fashion, put together a parade to thank their fans (The 12th Man) and their city of over 13 million Seahawks fans.
Title: Seattle Seahawks
Content:  in overtime to reach Super Bowl XLIX against New England Patriots, but an ill-fated interception at the 1-yard line late in the championship game stymied a comeback attempt and thwarted the Seahawks' bid to be the first repeat Super Bowl champions since the Patriots had won Super Bowls XXXVIII and XXXIX. The Seahawks would return to the playoffs in both 2015 and 2016, but despite winning the Wild Card game in both years they failed to win either Divisional round game on the road. The 2017 iteration of the team, however, missed the playoffs for the first time in six years, as injuries to their core 
Title: History of the Seattle Seahawks
Content:  win their final 5 games in convincing fashion. Included in the run were a 31-14 road victory over the Dallas Cowboys on Thanksgiving, a 37–0 shutout of the Los Angeles Raiders on Monday Night Football and a season ending 41–16 victory over the Super Bowl bound Denver Broncos. Despite a 10–6 record, the Seahawks failed to qualify for the playoffs due to a tiebreaker. They were the only team to beat both Super Bowl teams (Denver and the New York Giants) in 1986. 1987 began with great expectations and predictions of a Super Bowl appearance. The Seahawks had won a lottery for the first pick in a supplemental draft, and they selected Oklahoma University 

Question: what year did seattle seahawks go to the super bowl?
Answer: 2005 NFL season.