Year Key Events
1909 The Federal Football Association comprised of four Teams, Mordialloc, Edithvale, Mentone and Cheltenham. 
1911 A combined Chelsea and Carrum side was admitted to the Federal Football Association.
1912/1913 Chelsea/Carrum did not compete.
1914/1915 Chelsea and Carrum combined to field a Team.
1916/1918  Play was suspended during World War 1 
1919  Ten Clubs comprised The League. These were Chelsea, Black Rock, Brighton, Carrum, Glenhuntly, Amateurs, Mentone, Cheltenham, Sandringham, Hamilton and Mordialloc. 
1921  Snr Club disqualified from Federal Football Association for rest of season and three players receive life bans after Chelsea v Moorabbin match. Chelsea Juniors win U-21 Premiership. 
1922  Chelsea returns to The Federal Football Association after being suspended in 1921. 
1923  Chelsea Juniors win U-21 Premiership.
1924  Chelsea Juniors joins The Federal Football Association. Aspendale joins The Federal Football Association.
1926  Chelsea U-21's win the Junior Premiership.
1927  Chelsea Football Club broke up. A breakaway club formed led by Tom Tom Johnston, Roy O'Donnell and Fred Carpenter. It became known as the "Wells Road Team".
1927/1928  The League introduced a "Best & Fairest" award and Chelsea player P. Gleeson won the award in its first two years.
1929  Les Warren wins League Senior League Best & Fairest.
1930 Les Warren wins League Senior League Best & Fairest.
1931  With the depression bearing down pressures were building and after four rounds of the 1931 season, the senior team was withdrawn from the competition.
1931  Chelsea U-21's win the Junior Premiership. 
1932  The League became the VFL. "Victorian Federal District League". 
1932  Chelsea U- 21's win the Junior Premiership.  
1933  Chelsea re entered the competition after its break away in 1927. 
1934  The League became A & B Sections of open age. B Section replaced the U-21 competition. No Junior Football was played. "A" Division comprised of Caulfield, Carnegie, Black Rock, Moorabbin, Cheltenham, Mentone, Mordialloc, Chelsea, Dandenong, East Burwood and Darling. "B" Division comprised of Regents Park, Carrum, Mount Waverley, Highett, Moorabbin 2nds, Cheltenham 2nds. 
1935  The League Re Named "The Federal Football League". A" Section became Open Section. "B" Section became District. Regents Park became Edithvale Aspendale. 
1936  Promotion & relegation system introduced. Chelsea relegated to "B" grade, Vermont promoted to "A" Grade. 
Chelsea wins "B" Grade Premiership.
1937 Chelsea wins "B" Grade Premiership. Ivan "Bonnie" Johnston wins League "B" Grade Senior Best & Fairest.
1938 Chelsea promoted to "A" Grade.
1940 Chelsea withdraws from competition after 6 games. This was due to heavy loss of players participating in The Armed Services in WW2. 
1941  Chelsea compete in "A" Grade.
Des Williams wins League 4th X111 Best & Fairest. 
1942  Senior Football goes into recess due to WW2. U-18 competition started, involving Cheltenham, Mordialloc, Mentone, Moorabbin, Carrum and Chelsea. 
1944  Chelsea wins Junior Premiership. 
1945  Senior Football resumed after recess during WW2. 
1947  Alf Evans wins League Senior League Best & Fairest. Chelsea wins Junior Premiership.
1953  2nd XV111's introduced. No "A" and "B" Senior Sections.  
1955  Chelsea wins Senior and Junior Premiership. 
1957  Kevin Phillips wins League Senior Best & Fairest.  
1959  Chelsea joins Mornington Peninsula Football League. 
1960  Chelsea fields U-15 Team in Federal Football League. (1st year of competition). 
1961  Len Park wins League U-16's Best & Fairest. 
1962  Chelsea wins Senior Premiership and Reserves Premiership. 
1963 Chelsea wins Senior Premiership. 
1964 Ken Knight wins League Reserves Best & Fairest. Chelsea wins U-15's Premiership.
1966  Chelsea wins Senior, Reserves and U-15 Premierships. Greg Hill wins League U-15's Best & Fairest.
1967  Chelsea wins Senior and U-15's Premiership. Leigh Matthews wins League U-15's Best & Fairest.
1968  Chelsea wins Senior and U-17's Premiership. Ian Kemp wins League Reserves Best & Fairest.
1968  Leith Matthews aged 16 plays in Senior Premiership Team and wins MPNFL Senior Goal Kicking with 70 goals.
1970  Chelsea wins Reserves and U-15's Premiership. Brian Corrigan wins League U-15's Best & Fairest.
1971  Chelsea wins U-17 Premiership. 
1972  Chelsea wins U-17 Premiership. Chris Newman wins League U-17's Best & Fairest.
1975  Chelsea wins U-15 Premiership. Luke De Munk wins League U-15's Best & Fairest. 
1976  Lee Carpenter wins League U-18's Best & Fairest.  
1977 Chris Bull wins League U-18's Best & Fairest.
1978  Peter Hewitt wins League U-18's Best & Fairest. 
1981  Phil Thurgood wins League Senior Best & Fairest. 
1982 Dale Carpenter wins League Senior Best & Fairest. 
1985  Chelsea Junior Football Club established. U-18's move from Senior Club to the Junior Club. 
1986  Chelsea wins Senior Premiership. 
1987  Chelsea wins Senior Premiership. 
1988  Mornington Peninsula and Nepean Football League's, merge into "The Mornington Peninsula Nepean Football League".
1990  Chelsea wins Senior Premiership. Graham Savage wins League Senior Best & Fairest.
1991  Chelsea wins U-17 Premiership. 
1995  Joe Rugolo wins League Senior Best & Fairest. 
1997  Carrum Football Club folds. 
1999  Chelsea finishes last and is relegated to 2nd Division (Peninsula Division). 
2000  Chelsea wins Senior and Reserves Premierships. Eric Singh wins League Reserves Best & Fairest.
2001  Chelsea promoted to 1st Division (Premier Division) after 2000 Premiership win. 
2004  Mornington 14-12-96 def Chelsea 8-10-58 in Div 1 Snr Grand Final. Matt Stuart wins League Reserves Best & Fairest. 
2005  Mornington Peninsula Nepean Football League restructures to 3 Divisions, Peninsula Division, Nepean Division & Casey Cardinia Division. Relegation between Divisions no longer applies. 
2005  Chelsea competing in Peninsula Division along with Bonbeach, Edi-Aspendale, Seaford, Hastings, Mornington, Frankston YCW, Mt Eliza, Pines and Karingal. Rosebud and Rye moved to Nepean Division.
2005  Tim Scott-Branagan wins League Senior Best & Fairest. Clint Hall wins League Reserves Best & Fairest.
2006  Chelsea wins Senior Premiership. Anthony Lewis wins League Senior Best & Fairest.  
2006  Senior Coach Tim Scott- Branagan suffers career ending neck injury at Seaford late in season and returns to coach a Premiership from the bench.
2009  Langwarrin move to Peninsula Division, replacing Hastings which moved to Nepean Division. 
2011  Chelsea celebrates it's Centenary after starting life as "Chelsea/Carrum" in 1911. 
2011  MPNFL introduces Netball to the competition. Chelsea fields 2 Netball Teams in the first season. MPNPL introduces a "Final 5" for Football.
2015  Casey Cardinia Club's move motion of no confidence in MPNFL Directors. Casey Cardinia Club's form new League the "South East Football Netball League" .
Following the motion by The Casey Cardina Clubs, The Peninsula and Nepean Football Netball Clubs, which remained as members of The Mornington Peninsula Football League, also moved a motion of no confidence in the Board of Directors. Following this motion The Directors resigned and the "South East Football Netball League assumed an interim governance role. At the AGM of the MPNFL, member clubs voted to have the "South East Football Netball League" become the governing body of the MPNFL. 
2015  Langwarrin move to Peninsula Division, replacing Hastings which moved to Nepean Division. Mark Nightingale was a joint winner of The MPNFL Reserves B&F award.
2016  Netball fields a "D" Grade Team bringing total of competing teams to 4. (A, B, C & D Grades). 
2017  AFL South East announces a restructure into a Divisional competition for season 2018.  
There are currently 22 affiliated clubs in the MPNFL and in 2018 those clubs will play in 2 Divisions. 
The MPNFL Divisional competition has been determined in accordance with AFL South East’s recent announcement relating to the Competition Review. 
Division 1 will comprise of 10 teams and Division 2 will have 12 teams. 
In determining which clubs should be selected to compete in Division 1, AFL South East considered the following criteria: 
•    Recent playing performances
•    Playing depth
•    Junior pathway including viability of U19’s and junior club pathways
•    Club facilities and
•    The results of a survey conducted by MPNFL Clubs
For season 2018,Division 1 Clubs will be: 
Bonbeach, Edithvale-Aspendale, Frankston Bombers, Frankston YCW, Mornington, Mt Eliza, Pines, Rosebud, Seaford and Sorrento.
Division 2 will comprise: 
Chelsea, Crib Point, Devon Meadows, Dromana, Hastings, Karingal, Langwarrin, Pearcedale, Red Hill, Rye, Somerville and Tyabb.
2019  Todd Gardiner Winner of MPNFL Div 2 League Best & Fairest 2019 and Captain of League Team of The Year 2019.
2019  Netball adds an U-17 Team bringing total of competing teams to 5 (A, B, C & D Grades and U-17's).  
2020  A Global Pandemic "Covid -19" first reported in China early 2020, quickly spread around the Globe and arrived in Australia resulting in a shut down of large swathes of the Economy. In March 2020 Sport ranging from Professional to Community Competitions, was suspended for an indefinate period.
On 27th June the MPNFL season was officially cancelled. This last time this occurred was in 1941 when Football was suspended during WW2.