SIX
Six Nations Championship
Seasons since 2016
The league dates from 2000. Seasons before 2016 aren't recorded here yet.
Most titles since 2016
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources
The league dates from 2000. Seasons before 2016 aren't recorded here yet.
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources