Original Adidas training sweater AFC Ajax

Amsterdamsche Football Club Ajax, simply AFC Ajax or simply Ajax, is a Dutch professional football club from Amsterdam. The club was founded on March 18, 1900 and is one of the three traditional top clubs in the Netherlands. Since the foundation of the Eredivisie, Ajax has played continuously in this highest division. Ajax became champion of the Netherlands thirty-five times, of which twenty-seven times since the introduction of the Eredivisie in mid-1956.

In the UEFA ranking of the best clubs in Europe, AFC Ajax is the best Dutch club in seventeenth place in the 2020/21 season on 7 June 2021 with a total of 82,500 points. The German Kicker Sportmagazin called Ajax the second best football club of the twentieth century. According to the IFFHS, Ajax is the seventh most successful European club of the twentieth century and was voted World Club Team of the Year by the IFFHS in 1992.

In 1995 Ajax was named World Team of the Year by the English football magazine World Soccer. In 2000, during the FIFA Club of the Century election, Ajax, together with the Brazilian Santos, finished in joint fifth place among the best football clubs of the twentieth century. In addition, Ajax was named European Team of the Year four times in 1969, 1971, 1972, and 1973 and five times named Dutch Sports Team of the Year in 1968, 1969, 1972, 1987 and 1995. It is one of six European clubs that has the right to wear the Badge of Honor on the sleeve by winning the European Cup I three times in a row in 1971, 1972 and 1973. Those three times in a row is also reason to keep the cup as one of five clubs. In 1995, the third edition of the UEFA Champions League was won and in 2021 it is the only club to win the European Cup I/UEFA Champions League four times. Only FC Barcelona (five titles), Bayern Munich (six titles), Liverpool (six titles), AC Milan (seven titles) and Real Madrid (thirteen titles) have won the most important European club tournament more often.