Chelsea F.C. is a professional football club in West London, England, competing in the Premier League. They are one of the most successful English clubs, having won six top-flight league titles, eight FA Cups, five League Cups, four FA Community Shields, and two Full Members' Cups domestically. Internationally, Chelsea has secured two UEFA Champions Leagues, two UEFA Europa Leagues, two UEFA Cup Winners' Cups, two UEFA Super Cups, two FIFA Club World Cups and one UEFA Conference League.
In 1904, Gus Mears and his brother Joseph acquired Stamford Bridge with the aim of staging football matches, leading to the founding of Chelsea Football Club.
In 1904, Gus Mears, an English businessman, acquired the Stamford Bridge athletics stadium with the intent to convert it into a football ground. After Fulham F.C. declined an offer to lease the stadium, Mears decided to establish his own club.
On 10 March 1905, Chelsea F.C. was officially founded at The Rising Sun pub, now known as The Butcher's Hook, located opposite the main entrance of the ground on Fulham Road. Shortly after its formation, the club was elected to the Football League.
In October 1905, Stamford Bridge hosted a rugby union match between the All Blacks and Middlesex.
In 1905, Chelsea Football Club was founded and named after the neighbouring area of Chelsea. The club began playing their home games at Stamford Bridge.
Chelsea had the highest average attendance in English football in the 1907–08 season.
Chelsea had the highest average attendance in English football in the 1909–10 season.
Chelsea had the highest average attendance in English football in the 1911–12 season.
Around 1912, the light blue shirts were replaced by a royal blue version.
Chelsea had the highest average attendance in English football in the 1912–13 season.
Chelsea had the highest average attendance in English football in the 1913–14 season.
In 1914, Stamford Bridge hosted a baseball match between the touring New York Giants and the Chicago White Sox.
In 1915, Chelsea reached the FA Cup final but lost to Sheffield United at Old Trafford.
In 1918, Stamford Bridge was the venue for a boxing match between world flyweight champion Jimmy Wilde and Joe Conn.
Chelsea had the highest average attendance in English football in the 1919–20 season.
In 1920, Chelsea finished third in the First Division, marking the club's best league campaign up to that point.
From 1928, the running track at Stamford Bridge was used for dirt track racing.
In 1930, Chelsea featured in one of the earliest football films, "The Great Game".
From 1933, Stamford Bridge was used for greyhound racing.
In 1933, comedian Norman Long released a comic song titled "On the Day That Chelsea Went and Won the Cup", describing bizarre events on the hypothetical day Chelsea won a trophy.
In Alfred Hitchcock's 1935 film "The 39 Steps", Mr Memory claims that Chelsea last won the Cup in 63 BC.
In 1939, the North Stand, a small seated stand, was added to Stamford Bridge.
In 1946, Stamford Bridge was the venue for an unofficial Victory International match.
In 1948, Stamford Bridge was used for Midget car racing.
In 1952, Ted Drake, formerly a centre-forward for Arsenal and England, was appointed as the manager of Chelsea.
In 1952, when Ted Drake became Chelsea manager, he began to modernize the club, insisting that the Chelsea pensioner crest be replaced.
In 1953, the club crest was changed to an upright blue lion looking backwards and holding a staff, based on elements in the coat of arms of the Metropolitan Borough of Chelsea.
In the 1954–55 season, led by Ted Drake, Chelsea secured their first major trophy success by winning the League Championship.
In 1955, Chelsea won their first major domestic trophy, the First Division championship.
In 1961, Ted Drake was dismissed from his managerial position and was subsequently replaced by player-coach Tommy Docherty.
Chelsea became the first English top-flight club to score 100 league goals in a season since 1963.
During the 1964-65 season, Chelsea manager Tommy Docherty changed the kit again, switching to blue shorts and white socks.
In the 1964–65 season, Chelsea challenged for the League, FA Cup and League Cup, winning the League Cup but faltering in the other two.
In the 1966 FA Cup semi-final, Chelsea wore blue and black stripes, based on Inter Milan's kit.
In 1968, greyhound racing ended at Stamford Bridge.
In 1970, Stamford Bridge held an FA Charity Shield match.
In 1970, under Dave Sexton, Chelsea won the FA Cup, defeating Leeds United 2–1 in a final replay.
In 1971, Chelsea secured their first European trophy, the Cup Winners' Cup.
In 1972, Chelsea's owners announced a modernization of Stamford Bridge with plans for a state-of-the-art 50,000 all-seater stadium, starting with work on the East Stand.
From 1975–81, Chelsea's kit was manufactured by Umbro.
In 1975, a heraldic badge was granted by the College of Arms to the English Football League for use by Chelsea, featuring the lion and staff encircled by a blue ring but without lettering and without the red roses and red footballs.
In 1975, the North Stand at Stamford Bridge, which was added in 1939, was demolished.
In 1980, Stamford Bridge hosted the first international floodlit cricket match in the UK, between Essex and the West Indies.
In 1980, scenes in an episode of Minder were filmed during a real match at Stamford Bridge between Chelsea and Preston North End.
From 1981–86, Chelsea's kit was manufactured by Le Coq Sportif.
In 1982, at a low point in the club's history, Chelsea was acquired by Ken Bates from Mears' great-nephew, Brian Mears, for a nominal sum of £1.
During the 1983–84 season, Gulf Air became Chelsea's first shirt sponsor.
In 1983, John Neal put together an impressive new team for minimal outlay.
From 1985, blue socks were reintroduced to the Chelsea kit.
From 1986, Chelsea's away strip was an all jade strip.
From 1986–87, Chelsea's kit was manufactured by The Chelsea Collection.
In 1986, with Ken Bates owner of the club, Chelsea's crest was changed again as part of another attempt to modernize, featuring a more naturalistic non-heraldic lion, in white and not blue, standing over the C.F.C. initials.
From 1987, the color red was used in Chelsea's crest.
From 1987–2006, Chelsea's kit was manufactured by Umbro.
In 1988, Chelsea were relegated from the top division.
In 1989, Chelsea signed a long-term deal with Commodore International, with Amiga appearing on the shirts.
Until 1989, Chelsea's away strip was an all jade strip.
From 1990, Chelsea's kit was red and white diamonds.
In 1992, Chelsea returned to wearing white socks with their home kit.
In 1992, after a legal battle, Ken Bates reunited the stadium freehold with the club.
Until 1992, Chelsea's kit was red and white diamonds.
From 1994, Chelsea's away kit was graphite and tangerine.
From 1994–97, Chelsea was sponsored by Coors beer.
From 1995, the color yellow was used in Chelsea's crest.
In 1995, Chelsea finished in the bottom half of the table for the first time since the 1995-96 season.
In March 1996, Ken Bates floated Chelsea on the AIM stock exchange, though the Stamford Bridge freehold had been sold.
In 1996, the appointment of Ruud Gullit as player-manager began an upturn in the team's fortunes.
In 1996, the north stand at Stamford Bridge was renamed the Matthew Harding stand, after the club director and benefactor who died in a helicopter crash earlier that year.
Until 1996, Chelsea's away kit was graphite and tangerine.
From 1997–2001, Chelsea was sponsored by Autoglass.
In 1997, Stamford Bridge was the home stadium of the London Monarchs American football team for the season.
In 1998, Chelsea won the Cup Winners' Cup for the second time.
In 1998, Chelsea won the League Cup, the UEFA Cup Winners' Cup, and the UEFA Super Cup under Gianluca Vialli.
In 1999, the white color returned to Chelsea's crest.
By 2001, the north, west, and southern parts of Stamford Bridge were converted into all-seater stands and moved closer to the pitch, completing the renovation work that resumed in the mid-1990s.
From 2001–05, Chelsea was sponsored by Emirates.
In June 2003, Ken Bates unexpectedly sold Chelsea F.C. to Russian oligarch Roman Abramovich for £60 million.
Chelsea Ladies won the Surrey County Cup nine times between 2003 and 2013.
In 2003, before the Abramovich takeover, the debt taken on to finance the additional features at Stamford Bridge was a major burden on the club. Soon after the takeover a decision was taken to drop the "Chelsea Village" brand and refocus on Chelsea as a football club.
From 2004-05, under José Mourinho, Chelsea became the fifth English team to win back-to-back league championships.
In 2004, Chelsea Ladies, now known as Chelsea Football Club Women, became affiliated with the men's team.
In 2004, Chelsea featured in films about football hooliganism, including "The Football Factory".
In 2004, Chelsea moved their training ground to Cobham, Surrey.
In 2004, Chelsea won their first Premier League title in the 2004–05 season.
From 2005–08, Chelsea was sponsored by Samsung Mobile.
In 2005, Chelsea Ladies were promoted to the Premier Division for the first time as Southern Division champions.
In 2005, Chelsea's previous training ground in Harlington was taken over by QPR.
In 2005, with the new ownership of Roman Abramovich, the crest was changed again, marking a return to the older design used from 1953 to 1986, featuring a blue heraldic lion holding a staff.
From 2006 to 2017, Chelsea's kit was manufactured by Adidas.
In 2006, the centenary season crest was adopted, which included the words '100 Years' and 'Centenary 2005–2006' on the top and bottom of the crest.
From 2007, Chelsea had a luminous yellow away kit.
In 2007, the new training facilities in Cobham were completed.
Until 2008, Chelsea had a luminous yellow away kit.
In December 2009, Abramovich converted £709 million in interest-free soft loans into equity, making Chelsea debt-free as a club, although the debt remained with Fordstam.
In October 2010, Chelsea and Adidas extended their partnership in a deal worth £160 million over eight years.
In 2010, Chelsea Ladies were one of the eight founder members of the FA Women's Super League.
In April 2011, Montenegrin comedy series "Nijesmo mi od juče" made an episode in which Chelsea played against FK Sutjeska Nikšić for qualification of the UEFA Champions League.
In October 2011, a proposal from Chelsea to buy back the freehold to the land on which Stamford Bridge sits was voted down by Chelsea Pitch Owners shareholders.
In May 2012, Chelsea made a formal bid to purchase Battersea Power Station, with a view to developing the site into a new stadium, but lost out to a Malaysian consortium.
For the year ending on June 30, 2012, Chelsea announced a profit of £1.4 million, which was the first time the club had made a profit under Abramovich's ownership.
In June 2012, Chelsea announced a profit of £1.4 million for the year, the first time under Abramovich's ownership.
In November 2012, Chelsea announced a profit of £1.4 million for the year ending 30 June 2012, marking the first time the club had made a profit under Abramovich's ownership.
In November 2012, Chelsea announced a profit of £1.4 million for the year ending 30 June 2012, marking the first time the club had made a profit under Abramovich's ownership.
In 2012, Chelsea won their first UEFA Champions League title.
In 2012, Roberto Di Matteo led Chelsea to their seventh FA Cup, and their first UEFA Champions League title, beating Bayern Munich 4–3 on penalties, becoming the first London club to win the trophy.
In 2012, a Brand Finance report ranked Chelsea fifth among football brands, valuing the club's brand value at US$398 million, a 27% increase from the previous year.
Upon winning the 2012–13 UEFA Europa League, Chelsea became the fourth club in history to have won the "European Treble".
In June 2013, the Chelsea and Adidas deal was extended again in a deal worth £300 million over another 10 years.
Chelsea Ladies won the Surrey County Cup nine times between 2003 and 2013.
In 2013, Chelsea recorded a loss after their first profit under Abramovich's ownership.
In 2013, Chelsea reported a financial loss.
In 2013, the UEFA Women's Champions League final was played at Stamford Bridge.
For the year to June 2014, Chelsea announced their highest ever profit of £18.4 million.
For the year to June 2014, Chelsea recorded their highest ever profit of £18.4 million.
In March 2015, Mourinho returned as manager and led Chelsea to League Cup success.
From 2015–20, Chelsea was sponsored by Yokohama Tyres.
In 2015, Chelsea Ladies won the FA Women's Cup for the first time and clinched their first FA WSL title.
In May 2016, Adidas announced that by mutual agreement, the kit sponsorship would end six years early on 30 June 2017, with Chelsea paying £40m in compensation to Adidas.
In October 2016, Nike was announced as the new kit sponsor for Chelsea, in a deal worth £900m over 15 years, until 2032.
In 2016, Forbes magazine ranked Chelsea the seventh most valuable football club in the world, with a value of £1.15 billion ($1.66 billion).
In January 2017, plans to redevelop Stamford Bridge into a 60,000-seater stadium were approved by Hammersmith and Fulham council.
On 30 June 2017, the Adidas kit sponsorship end six years early and Chelsea paid £40m in compensation to Adidas.
Since July 2017, Chelsea's kit has been manufactured by Nike.
In 2017, under Antonio Conte, Chelsea won their sixth English title.
In the 2017–18 season, following the introduction of sleeve sponsors in the Premier League, Chelsea had Alliance Tyres as its first sleeve sponsor.
On 31 May 2018, Chelsea released a statement saying that the new stadium project had been put on hold indefinitely, citing "the current unfavourable investment climate".
Adidas was originally contracted to supply the club's kit from 2006 to 2018.
In 2018, Chelsea Ladies won a second league and FA Cup double.
In 2018, Chelsea announced a record after-tax profit of £62 million.
In 2018, Chelsea announced a record after-tax profit of £62 million.
In the 2018–19 season, Hyundai Motor Company became Chelsea's sleeve sponsor.
From July 2020, Chelsea's sponsor was Three.
In 2020, Chelsea Ladies repeated their double success by winning the third league title and the FA Women's League Cup for the first time.
In January 2021, Frank Lampard was dismissed and replaced with Thomas Tuchel.
On 18 April 2021, Chelsea announced it would be joining a new European Super League but withdrew days later after backlash from supporters.
In 2021, Chelsea reached the FA Cup final, lost to Leicester City, won their second UEFA Champions League title, won the UEFA Super Cup by defeating Villarreal and won the FIFA Club World Cup beating Palmeiras.
In 2021, Chelsea secured their second UEFA Champions League title and won the FIFA Club World Cup.
On February 26, 2022, during the Russo-Ukrainian War, Abramovich handed over "stewardship and care" of Chelsea to the Chelsea Charitable Foundation.
In March 2022, Abramovich released an official statement confirming he was selling the club due to the ongoing situation in Ukraine and on March 10, the UK government froze Abramovich's assets but allowed Chelsea to operate in terms of football-related activities and on March 12, the Premier League disqualified Abramovich as a director of Chelsea.
In March 2022, Three temporarily suspended its sponsorship in response to sanctions leveled by the UK government against owner Roman Abramovich, but restored it after the change of ownership.
On 10 March 2022, the British government announced sanctions on Abramovich, with Chelsea allowed to operate under a special license until 31 May. Abramovich was reported to be involved in brokering a peace deal between Ukraine and Russia.
On March 19, 2022, Raine Capital received five confirmed bids to acquire Chelsea, including a consortium led by Sir Martin Broughton, a group led by the Ricketts family, Hansjörg Wyss and Todd Boehly, and Aethel Partners.
In May 2022, "terms have been agreed" for a new ownership group led by Todd Boehly and Clearlake Capital and on May 30, it was confirmed that the Boehly consortium completed the purchase of Chelsea and Chelsea was ranked the eighth-most valuable club in the world.
On 7 May 2022, Chelsea confirmed that terms had been agreed for a new ownership group, led by Todd Boehly, Clearlake Capital, Mark Walter and Hansjörg Wyss, to acquire the club.
In July 2022, it was reported that Chelsea's new owner Todd Boehly had appointed American architect Janet Marie Smith to oversee the renovation of Stamford Bridge.
In September 2022, Graham Potter was brought in from Brighton & Hove Albion to replace Tuchel as Chelsea's manager.
In 2022, Amidst sanctions, Roman Abramovich stated he would hand over stewardship of Chelsea to trustees of the Chelsea Foundation, wrote-off the £1.5 billion the club owed him, and put the club up for sale, pledging to donate net proceeds to victims of the war in Ukraine.
In the 2022–23 season, Amber Group became the new sleeve sponsor, with WhaleFin appearing on the sleeves of both men's and women's teams.
On April 2023, Graham Potter was sacked as Chelsea's manager and Frank Lampard was appointed as caretaker manager.
Chelsea's 2023–24 shirt sponsor was American sports technology firm Infinite Athlete, after starting the season without a primary shirt sponsor.
For the 2023–24 season, WhaleFin was replaced by cryptocurrency exchange BingX as Chelsea's sleeve sponsor.
In 2023, Mauricio Pochettino was announced as Lampard's replacement, leading Chelsea to a 6th-place finish and a Conference League play-off round qualification.
On 3 June 2024, Enzo Maresca was announced as Pochettino's replacement as manager of Chelsea.
As of 2024, Chelsea was ranked as the tenth-highest-earning football club in the world.
Chelsea started the 2024–25 season again without a primary shirt sponsor.
In 2024 Chelsea recorded an English record loss of £355 million for the 2024–25 season.
In 2024, Mauricio Pochettino led Chelsea to the EFL Cup final, narrowly losing 1–0 to Liverpool.
Ticketing platform Fever became the club's sleeve sponsor for the 2024–25 season, before that deal was ended mid-season and replaced with rival ticketing platform Live Nation.
In April 2025 Chelsea signed an agreement with Emirati property development company DAMAC Properties to become the team's shirt sponsor for the balance of the 2024–25 season.
On 13 July 2025, Enzo Maresca guided Chelsea to victory in the 2025 FIFA Club World Cup, the first edition of the expanded competition, with a 3–0 win over Paris Saint-Germain in the final.
After winning the UEFA Conference League in 2025, Chelsea became the first club to win all four main UEFA competitions.
As of 2025, Chelsea is the tenth-most-valuable football club in the world, worth $3.25 billion, and earning $592M in revenue.
On 1 January 2026, Enzo Maresca left Chelsea by mutual consent.
On 6 January 2026, Liam Rosenior was appointed as the new Chelsea head coach on a six-and-a-half-year deal.
In February 2026, Chelsea recorded an English record loss of £355 million for the 2024–25 season.
In October 2016, Nike was announced as the new kit sponsor for Chelsea, in a deal until 2032.
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