>The UK doesn't cease to exist though, it just shrinks.
Or as some wags have put it, when Northern Ireland unifies with the Republic of Ireland, and Scotland joins the EU as an independent state, the Rump UK (1) becomes the "Former United Kingdom of Wales and England" (2), or "FUK-Wangland" for short.
Or as some wags have put it, when Northern Ireland unifies with the Republic of Ireland, and Scotland joins the EU as an independent state, the Rump UK (1) becomes the "Former United Kingdom of Wales and England" (2), or "FUK-Wangland" for short.
1) https://en.wikipedia.org/wiki/Rump_state
2) See FYROM: https://en.wikipedia.org/wiki/North_Macedonia#Naming_dispute