For the first time since the devolution era began, the leaders of Wales, Scotland, and Northern Ireland have gathered in Cardiff united by a shared conviction: that their nations' futures lie beyond the United Kingdom. This alignment of nationalist will across three devolved governments is historically unprecedented, arriving at a moment when even the Prime Minister has let slip words that suggest the constitutional settlement may be less fixed than it once appeared. Whether this meeting marks the opening of a new chapter in British history or simply a convergence of ambitions without a common