who won this tournament in the debut year ?
West Indies
1975 Cricket World Cup
After Australia defeated England and the West Indies defeated New Zealand in the semi-finals, the West Indies which came into the tournament as favourites, defeated Australia in the final at Lord's by 17 runs to become the first World Cup winners.
who has won the most world cups cricket Australia when was the first world cub held ? June 1975
wiki:13592559
1975 Cricket World Cup [SEP] Introduction
Each match consisted of 60 overs per team and was played in traditional white clothing and with red balls; all were played and ended in daylight. England and New Zealand finished as the top two teams in Group A, while the West Indies finished top of the Group B table ahead of Australia as the four teams qualified through to the semi-finals. After Australia defeated England and the West Indies defeated New Zealand in the semi-finals, the West Indies which came into the tournament as favourites, defeated Australia in the final at Lord's by 17 runs to become the first World Cup winners.