1989 World Snooker Championshipfrom 15 April to 1 May 1989 at the Crucible Theatre in Sheffield, England. Organised by the World Professional Billiards and Snooker Association, it was
1976–77 snooker world rankingsThe World Professional Billiards and Snooker Association, the governing body for professional snooker, first published official world rankings for players
World Open (snooker)The World Open is a professional ranking snooker tournament. Throughout its history, the tournament has undergone numerous revamps and name changes. It
1977–78 snooker world rankingsThe World Professional Billiards and Snooker Association, the governing body for professional snooker, first published official world rankings for players