At the end of 2025, the centenary of the agreement that consolidated the partition of Ireland was commemorated, adopting as the permanent border the provisional line established in 1920, which resulted in twenty-six counties in the south and six in the north. To coincide with the anniversary, a book was published. For and Against in United Irelandby journalists and writers Sam McBride and Fintan O'Toole. The former, from the north, is the editor of The Belfast TelegraphThe second, from the south, a highly reputable columnist of The Irish Times