International cricket
In addition to the one-day series and tournaments organised by the nations themselves, the ICC organises two One Day International tournaments. The World Cup is held every four years; it involves all the Test-playing nations and a number of teams advancing from the immediately preceding ICC World Cup Qualifier. The ICC Champions Trophy, previously known as the ICC Knockout Cup, is a shorter tournament held every four years in between World Cups. The ICC also organises a T20 International tournament, the ICC World Twenty20, which is generally held every two years and, as in the latest competition, involves the ten full ICC members and six associate members who qualified through a qualifier competition, the ICC World Twenty20 Qualifier.
Cricket World Cup
The inaugural Cricket World Cup was hosted in 1975 by England, the only nation able to put forward the resources to stage an event of such magnitude at the time. The 1975 tournament started on 7 June. The first three events were held in England and officially known as the Prudential Cup after the sponsors Prudential plc. The matches consisted of 60 six-ball overs per team, played during the daytime in traditional form, with the players wearing cricket whites and using red cricket balls.