In today’s episode, Hugh is joined by historian Dr Cormac Moore to discuss one of the most consequential but little-known episodes in modern Irish history: the Irish Boundary Commission. Based on Moore’s new book The Root of All Evil, the conversation explores the hopes, fraught negotiations, and ultimate anticlimax that defined the commission’s work 100 years ago this year.

How did a clause in the Anglo-Irish Treaty come to carry the weight of nationalist aspirations and unionist fears? Why did so many believe that the commission would redraw the map of Ireland in favour of the Free State – and how did those expectations unravel so completely? Was the commission’s failure inevitable, or did political miscalculations and miscommunications seal its fate?

Moore, historian-in-residence with Dublin City Council, brings a forensic eye to the detail and a deep sense of the human stakes involved. He unpacks the central roles played by figures such as David Lloyd George, James Craig and WT Cosgrave.

What lessons does the Boundary Commission hold for how borders are made – and unmade – in contested spaces? And in a world where the political future of Northern Ireland is once again up for debate, is this century-old episode a cautionary tale of how not to manage competing nationalisms?

What happened in 1925 offers lessons for anyone interested in the deeper roots of partition, the evolution of identity on this island, and how historical decisions continue to cast long shadows.

Produced by Declan Conlon with JJ Vernon on sound.

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What lessons does the Irish Boundary Commission hold for how borders are made – and unmade – in contested spaces?

Inside Politics with Hugh Linehan

What lessons does the Irish Boundary Commission hold for how borders are made – and unmade – in contested spaces?