Chronology of corruption allegations directed against the ruling football body FIFA.
October 20, 2010: FIFA executives Reynald Temarii (Tahiti) and Amos Adamu (Nigeria) are suspended over allegations they were ready to sell their vote for the 2018 and 2022 World Cups.
November 18: Six FIFA officials are sanctioned over the allegations.
November 29: New corruption allegations against executives Ricardo Teixeira (Brazil), Nicolas Leoz (Paraguay) and Issa Hayatou (Cameroon).
December 2: The FIFA executive elects Russia hosts of the 2018 World Cup and Qatar hosts of the 2022 World Cup.
December 6: FIFA vice-president Julio Grondona of Argentina is accused of having received 67 million dollars from Qatar.
May 10, 2011: Former FA chief David Triesman accuses Teixeira, Leoz, FIFA vice-president Vize Jack Warner (Trinidad and Tobago) and Worawi Mukudi (Thailand), to have made illegal demands ahead of the World Cup vote.
June 20: Warner resigns from all football functions.
October 21: FIFA sets up commissions and calls in external experts in the wake of major corruption allegations.
July 17: Former US attorney Michael Garcia and German judge Hans-Joachim Eckert are named chairmen of the two chambers of the new FIFA ethics commission.
November 22, 2013: Blatter alleges that Germany and France put political pressure on executives because they have economic interests in Qatar.
June 1, 2014: The Sunday Times reports that former executive Mohammed bin Hammam of Qatar paid 5 million dollars to officials to ensure their support.
June 13: Germany's Franz Beckenbauer is banned for 90 days by ethics committee for not cooperating with them concerning questions on the awarding of the 2018 and 2022 World Cups.
September 5: Garcia presents his report to FIFA and wants it published.
October 17: FIFA decides not to publish Garcia's report in full.
November 13: Eckert submits his report and which Russia and Qatar are cleared to host the tournaments. Garcia objects to the report.
December 16: Garcia resigns after FIFA dismisses his objections.
May 27, 2015: Swiss police arrest seven high-ranking officials, including then FIFA vice-presidents Jeffrey Webb and Eugenio Figueredo, in Zurich as part of a US investigation directed against 14 people. Switzerland says it is also conducting a probe of its own around the 2018 and 2022 World Cup vote.
May 29: Blatter is re-elected for a fifth term as FIFA president.
June 2: The New York Times reports that US authorities believe secretary general Jerome Valcke authorized a 10-million-dollar payment to an account controlled by Warner. The money comes from 2010 World Cup hosts South Africa.
June 2: Blatter announces he will step down at an extraordinary FIFA congress.
July 2: US authorities issue formal extradition requests to Switzerland concerning the seven arrested officials.
July 19: Webb pleads not guilty in the US to the charges.
September 14: US Attorney General Loretta Lynch says at a joint news conference with Swiss prosecutor Michael Lauber that there could be further arrests.
September 17: Valcke is released from all his duties with immediate effect in connection with corruption allegations.
September 24: FIFA agrees to give Swiss authorities access to Valcke's email accounts, after initially stating this was subject to certain conditions.
September 25: Swiss attorney general announces opening of criminal proceedings against Blatter on suspicion of "criminal mismanagement as well as – alternatively – misappropriation" in connection with a contract with the Caribbean football union, and a disloyal payment to UEFA boss Michel Platini. Blatter is interrogated and his office searched and data seized. Platini is also asked to provide information.
September 29: FIFA ethics committee bans Warner for life.
October 2: FIFA sponsors Coca-Cola, McDonald's, Visa and Budweiser issue separate statements calling for Blatter's immediate resignation as president.
October 8: FIFA ethics committee provisionally suspends Blatter, Platini, Valcke for 90 days from all football activities. It also bans presidential candidate Chung Mong Joon for six years.
October 12: Former FIFA executive Worawi Makudi is suspended for 90 days by the ethics committee
October 15: UEFA at emergency meetings supports Platini but English FA withdraws backing of his FIFA presidency bid the next day.
October 21: Germany's Franz Beckenbauer and Spanish FIFA and UEFA vice-president Angel Maria Villar Llona face a verdict from ethics committee for not cooperating with an investigation after investigatory chamber hands over case to adjudicatory chamber. It releases nine names of other officials who are probed, including Blatter, Platini and Valcke. Villar Llona later receives a warning.
November 12: Prince Ali Bin Al Hussein of Jordan, Sheikh Salman Bin Ebrahim Al Khalifa of Bahrain, Jerome Champagne, Gianni Infantino of Switzerland and South African Tokyo Sexwale are named official presidential candidates by FIFA's electoral committee.
November 18: The FIFA appeal committee rejects appeals from Blatter and Platini against their suspension.
November 21: The final reports of the investigative panel on Blatter and Platini are handed to the adjudicatory chamber, and they include "requests for sanctions." Reports say the two could face life bans.
December 1: In a joint open letter addressed to FIFA, major sponsors AB InBev, adidas, Coca-Cola, McDonald's and Visa call on FIFA's executive committee to adopt reforms leading towards "a cultural change" and "a credible future" for FIFA.
December 3: Two further top officials are arrested in a Zurich hotel by Swiss authorities as part of the US probe: FIFA vice-presidents Juan Angel Napout of Paraguay and Alfredo Hawit Banegas of Honduras. The FIFA executive committee approves a reform package which however must pass the February 26 congress.
December 11: Platini's appeal against the lifting of the suspension is rejected by CAS but the court tells FIFA it can not extend the suspension after it runs out January 5.
December 21: Blatter and Platini are banned from football for eight years with immediate effect by FIFA's ethics committee.
January 7, 2016: Platini says he is withdrawing his candidacy for the FIFA presidency.
January 13, 2016: Valcke is dismissed as secretary general by FIFA.
February 12, 2016: Valcke is banned for 12 years by FIFA's ethics committee.