The Seattle Seahawks were established in 1974 and played their first season in 1976 as an expansion team.¹⁾

Seattle's fans, known as the 12th Man, were honored by the team in 1984, and the number 12 was retired to recognize their impact.²⁾

The Seahawks won their first Super Bowl championship on February 2, 2014, in Super Bowl XLVIII, defeating the Denver Broncos 43-8.³⁾

The Seahawks' legendary Legion of Boom defense, led by Richard Sherman, Earl Thomas, and Kam Chancellor, dominated the NFL in the early 2010s.⁴⁾

Lumen Field (formerly CenturyLink Field) holds the Guinness World Record for the loudest crowd noise in an NFL game at 137.6 decibels (2013).⁵⁾

In 2011, Seahawks fans caused a small earthquake after celebrating Marshawn Lynch’s “Beast Quake” touchdown run.⁶⁾

The Seahawks started in the NFC West in 1976, moved to the AFC West in 1977, and returned to the NFC West in 2002.⁷⁾

Seattle made its first NFL playoff appearance in 1983, led by head coach Chuck Knox.⁸⁾

Pete Carroll, hired in 2010, is the winningest head coach in franchise history, bringing the team its first Super Bowl victory.⁹⁾

Star running back Marshawn Lynch famously ate Skittles on the sidelines, inspiring fans to throw Skittles onto the field.¹⁰⁾

Wide receiver Steve Largent became the first Seahawk inducted into the Pro Football Hall of Fame in 1995.¹¹⁾

Seattle scored the fastest points in Super Bowl history (12 seconds in) when Denver botched the first snap in Super Bowl XLVIII.¹²⁾

A controversial Monday Night Football game in 2012 featured the infamous “Fail Mary” call against the Packers, leading to the end of the NFL referee lockout.¹³⁾

Jim Zorn was the first starting quarterback for the Seahawks and later returned as a QB coach.¹⁴⁾

In 2012, Russell Wilson tied Peyton Manning's NFL record for most touchdown passes by a rookie QB with 26.¹⁵⁾

The Seahawks made a historic 21-point comeback against the Tampa Bay Buccaneers in 2013, winning 27-24.¹⁶⁾

The Seahawks lost Super Bowl XLIX to the New England Patriots after a goal-line interception instead of handing the ball to Marshawn Lynch.¹⁷⁾

Running back Shaun Alexander won NFL MVP in 2005, rushing for 1,880 yards and 27 touchdowns.¹⁸⁾

Seattle’s first Super Bowl appearance was in 2005 (Super Bowl XL), but they lost to the Pittsburgh Steelers 21-10.¹⁹⁾

Leon Washington holds the Seahawks’ longest play record, returning a kickoff 101 yards for a touchdown in 2010.²⁰⁾

In 2012, Russell Wilson achieved a perfect passer rating (158.3) in a game against the Ravens.²¹⁾

In 2014, Marshawn Lynch pulled off another iconic touchdown run against the Arizona Cardinals, breaking multiple tackles.²²⁾

Seattle's biggest rivalry is with the San Francisco 49ers, peaking in the 2013 NFC Championship game with Richard Sherman's infamous postgame interview.²³⁾

In the late 1990s, the team nearly relocated to Los Angeles before Paul Allen stepped in and bought the franchise.²⁴⁾

The Seahawks’ first-ever regular-season game was a 24-20 loss to the St. Louis Cardinals on September 12, 1976.²⁵⁾

The official team mascot, Blitz, debuted in 1998, and a second mascot, Boom, was introduced in 2014.²⁶⁾

Left tackle Walter Jones is considered one of the best offensive linemen ever and was a first-ballot Hall of Famer in 2014.²⁷⁾

Since 2005, opposing teams have committed over 140 false start penalties at Lumen Field due to crowd noise.²⁸⁾

Seattle's bright green “Action Green” uniforms debuted in 2016 and became a fan favorite.²⁹⁾

Seattle’s first-ever NFL Draft pick was defensive tackle Steve Niehaus in 1976.³⁰⁾