Founding (1905)

Chelsea did not begin with a long club tradition; it began with a stadium. Businessman Gus Mears had taken over Stamford Bridge in Fulham and wanted football there. When Fulham FC would not become tenants, Mears formed a new club so the ground would not sit idle. Chelsea Football Club was formally founded on 10 March 1905 at The Rising Sun pub on Fulham Road (today The Butcher’s Hook), opposite what is now the main entrance to the Bridge. The side was elected into the Football League for the 1905–06 season and has played at Stamford Bridge ever since.

Why the club is called Chelsea

Stamford Bridge stands in Fulham, not in the Metropolitan Borough of Chelsea. Fulham already had a senior club using that name, so Mears’ new team looked next door: Chelsea was the neighbouring borough whose name was free on the fixture lists. Other names were discussed, but “Chelsea FC” stuck — even though generations of fans still say “going to the Bridge” rather than naming the district.

Nicknames and the crest (in words only)

Two nicknames travel with the club everywhere:

• The Blues — from the royal blue kit that became the club’s signature look in the early decades.
• The Pensioners — from the Chelsea Pensioners, the veterans at the Royal Hospital Chelsea; an elderly pensioner figure was part of the club’s early identity.

We do not reproduce official crest artwork here. In brief: the pensioner image belonged to the first half-century of the club’s life but was not worn on shirts in that era. When Ted Drake became manager in 1952, he pushed a modern image; a simple CFC monogram served briefly, then from 1953 a blue lion (drawn from local heraldry linked to Chelsea and club president Viscount Chelsea) became the familiar badge direction, with later refinements for anniversaries and sponsors — always described in club histories, never copied as official graphics on this fan site.

Timeline

Early years and the 1915 FA Cup final

Chelsea yo-yoed between divisions in their youth but drew huge crowds — often league-leading attendance figures before the First World War. In 1915 they reached the FA Cup final and lost 3–0 to Sheffield United at Old Trafford (the “Khaki Cup Final”, played with the war already under way). League success remained elusive in the inter-war years despite semi-finals and star signings.

1955 — first league title

Under manager Ted Drake, Chelsea won the First Division championship in 1954–55 — the club’s first major league title. They were invited into the inaugural European Cup but withdrew after pressure from the Football League, so that pioneering European campaign never happened.

The 1970s — FA Cup and Cup Winners’ Cup

After near-misses in the 1960s, Dave Sexton’s side delivered two enduring triumphs: FA Cup winners in 1970 after a famous replay against Leeds United, and 1971 UEFA Cup Winners’ Cup winners after beating Real Madrid (again after a replay). Those nights still anchor “old Chelsea” memory for supporters who lived through them.

Decline and the Ken Bates era (1980s)

Stamford Bridge redevelopment in the early 1970s drained finances; relegation and crowd trouble darkened the decade. In 1982, Ken Bates bought the club for a nominal £1 from the Mears family. Bates stabilised ownership through legal battles over the ground, floated the club on the stock market, and saw John Neal lead promotion back to the top flight in 1983–84. Chelsea stayed up, but major silverware was still rare.

1990s revival

Investment from director Matthew Harding, then the arrival of Ruud Gullit as player-manager in 1996, began a brighter spell. Chelsea won the FA Cup in 1997 — their first major trophy since 1971. Gianluca Vialli added the League Cup, Cup Winners’ Cup, and Super Cup in 1998, plus another FA Cup in 2000, and the team pushed Manchester United close in the 1998–99 title race.

Abramovich and Mourinho (2003–2007)

Facing debts, Bates sold Chelsea in June 2003 to Roman Abramovich, who cleared liabilities and funded a transformed squad. Claudio Ranieri gave way to José Mourinho in 2004 (BBC Sport reported the appointment on 2 June 2004). Mourinho’s Chelsea won back-to-back Premier League titles in 2004–05 and 2005–06, plus League Cups and the 2007 FA Cup, before he left early in 2007–08. That spell redefined the club as a permanent trophy contender.

Champions League 2012 and 2021

European glory arrived twice under very different moods. In 2012, Roberto Di Matteo’s Chelsea won the FA Cup and, in Munich, their first UEFA Champions League on penalties against Bayern Munich — the first London club to lift the trophy. In 2021, Thomas Tuchel — appointed mid-season — took Chelsea to a 1–0 win over Manchester City in Porto for a second Champions League title, plus Super Cup and FIFA Club World Cup success later that year.

Chelsea Women

The women’s side has been affiliated with the men’s club since 2004 (formerly Chelsea Ladies). They were among eight founder clubs of the FA Women’s Super League in 2010. Since then Chelsea Women have become a dominant force domestically — multiple WSL titles and Women’s FA Cup wins, including league-and-cup doubles reported by BBC Sport in 2015, 2018, and 2020. They play home games at Kingsmeadow while sharing the Chelsea badge and academy pathway with the men’s team.

The current era

BlueCo (Boehly–Clearlake) took over in May 2022 after Roman Abramovich sold the club. Mauricio Pochettino led the 2023–24 rebuild to a sixth-place finish and an EFL Cup final (narrow loss to Liverpool). Enzo Maresca replaced him in June 2024 and delivered the newest silverware on the men’s side: the 2024–25 UEFA Conference League (beating Real Betis in the final in Wrocław) and the expanded 2025 FIFA Club World Cup (a 3–0 final win over Paris Saint-Germain in July 2025). Maresca left by mutual consent on 1 January 2026; the 2025–26 Premier League campaign had Chelsea in mid-table by early November 2026 — a reminder that trophy windows and league form do not always move together.

Chelsea Women kept setting standards under Emma Hayes (multiple WSL titles and domestic trebles) before Sonia Bompastor arrived in 2024–25 and won another domestic treble (league, Women’s FA Cup, Women’s League Cup). They added a fourth Women’s League Cup in 2025–26 and were third in the WSL early in that season, with plans to stage WSL home games at Stamford Bridge from 2026–27 (per club and BBC reporting). The women’s team has not yet won the UEFA Women’s Champions League — runners-up in 2021 remains the closest call.

See Trophies / Τρόπαια below for the full honours list (men and women) sourced from Wikipedia.

Sources

Facts above were checked against the following public references (accessed when this page was written). If a detail is not listed in these sources, we left it out.

• Chelsea F.C. — Wikipedia
• 1915 FA Cup final — Wikipedia
• Chelsea FC — History (official club site)
• Chelsea appoint Mourinho — BBC Sport, 2 June 2004
• Chelsea 1–1 Bayern Munich (4–3 pens) — BBC Sport, 19 May 2012
• Manchester City 0–1 Chelsea — Champions League final — BBC Sport, 29 May 2021
• Chelsea Ladies: How Women's Super League title was won — BBC Sport, 5 October 2015
• FA Cup: Remembering WW1's “khaki cup final” — BBC News