It has been labelled a "tectonic shift", set to shake up the world of rugby union, but what is the Nations Championship, what have been the results so far, and what is the schedule this November?
Will Jordan scored a hat-trick and became New Zealand's all-time leading try-scorer in their 47-17 victory over Italy in the Nations Championship in Wellington.
England's Red Roses secured a record-extending eighth Women's Six Nations title in a row, performing brilliantly to beat France 43-28 in Sunday's Grand Slam decider in Bordeaux.
Marlie Packer scored four tries as England's Red Roses recorded a dominant 61-33 Women's Six Nations Round 4 victory over Italy in Parma to remain on course for another Grand Slam.
It is being touted as the most entertaining Six Nations ever, and looking at the pre-tournament script compared to the end credits, you can see just why.
All the results for the 2026 Women's Six Nations as England defended their title against France, Ireland, Italy, Scotland and Wales.
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