Grand Slam (rugby union) Grand Slam (rugby union) In rugby union, a Grand Slam (Irish: "Caithréim Mhór". Welsh: "Y Gamp Lawn". French: "Grand Chelem") occurs when one team in the Six Nations Championship (or its Five Nations predecessor) manages to beat all the others during one year's competition. This has been achieved 39 times in total, for the first time by Wales in 1908, and most recently by Ireland in 2018. The team to have won the most Grand Slams is England with 13. In another context, a Grand Slam tour refers to a touring side – South Africa, Australia or New Zealand –
Grand Slam (PBA) the last tournament: In other instances, a team won three or even four consecutive conferences in two different seasons. These teams were: From the 2004–05 season to 2009–10 season, the league adopted a two-conference format: an All-Filipino tournament named the PBA Philippine Cup and an import-laced tournament named the PBA Fiesta Conference. A Grand Slam could be attained during this period by winning both titles instead of the usual three. No team in the PBA won this version of the Grand Slam. The term "Grand Slam" has also come into local usage, in which a team/person wins at least three