Chelsea hold the English record for the highest ever points total for a league season (95)
The fewest goals conceded during a league season (15)
The highest number of Premier League victories in a season (29)
The highest number of clean sheets overall in a Premier League season (25) (2004-05).
The most consecutive clean sheets from the start of a league season (6, set during the 2005-06 season)
The club's 21-0 aggregate victory over Jeunesse Hautcharage in the UEFA Cup Winners' Cup in 1971 remains a record in European competition.
Chelsea hold the record for the longest streak of unbeaten matches at home in the English top-flight, which lasted 86 matches from 20 March 2004 to 26 October 2008. They secured the record on 12 August 2007, beating the previous record of
63 matches unbeaten set by Liverpool between 1978 and 1980.
Chelsea's streak of eleven consecutive away league wins, set between 5 April 2008 and 6 December 2008, is also a record for the English top flight.
Their £50m purchase of Fernando Torres in January 2011 is a British record transfer fee.
Chelsea, along with Arsenal, were the first club to play with shirt numbers, on 25 August 1928 in their match against Swansea Town.
They were the first English side to travel by aeroplane to a domestic away match, when they visited Newcastle United on 19 April 1957.
The first First Division side to play a match on a Sunday, when they faced Stoke City on 27 January 1974.
On 26 December 1999, Chelsea became the first British side to field an entirely foreign starting line-up (no British or
Irish players) in a Premier League match against Southampton.
On 19 May 2007, they became the first team to win the FA Cup at the new Wembley Stadium, having also been the last to win it at the old Wembley.
At the end of the 2007-08 season, Chelsea became the highest ranked club under UEFA's five-year coefficient system, the first English club to do so in the 21st century.
On the final day of the 2009-10 season, Chelsea became the first team in Premier League history to score at least 100 goals in a single season.
In 2012, Chelsea became the first London based club to win the UEFA Champions League, after beating Bayern Munich in the final.
On winning the 2012-13 UEFA Europa League, Chelsea became the first English club to win all four European trophies.
They are, also, the only team to have held two European trophies at the same time.
Chelsea were the first English team to qualify for the old European cup, in 1955.But, after objections from The Football League and the FA, over the travelling costs involved, Chelsea were persuaded to withdraw from the competition before it started.
Clean sheets, don't you blokes wash between games?
Only on Wednesdays.