The first Lord Chief Justice for the State is Catholic unionist Sir Denis Henry, who faces an enormous task in establishing the framework for a new justice system. Meanwhile, two Belfast women are making legal history in a move that only reaches its conclusion a century later, as Northern Ireland’s first Lady Chief Justice, Siobhan Keegan, explains.

Meanwhile as pressure grows on the negotiating teams attempting to agree treaty terms, "summit syndrome" takes hold.

Meanwhile, treaty talks continue in London, with the future of some of Ireland's coastal ports up for discussion.

The negotiating teams begin treaty talks but the British side includes some of the sharpest operators around, who have a wealth of experience. But both sides have political considerations at home to worry about.

Declan and Tara visit the National Archives of Ireland to learn more about the Irish delegation's preparations for negotiations - from breakfast menus to the hiring of Rolls Royce cars.

Issues thrown up by partition lead to the loss of more than 50% of the rail network across Ireland. Tara and Declan hear why the border led to an increase in road travel.

What will happen to key artefacts which were discovered in the north, once the new state is created? Tara and Declan head to Dublin, to look at some of the treasures kept in the National Museum of Ireland. The most precious of these were found in the province of Ulster - so why weren't they relocated to Northern Ireland?

Children were too often victims of the violence which shook Ireland 100 years ago. Historian Liz Gillis compares coverage of their deaths to that of adults who were killed during this period. A listener reveals the deadly rivalry between two brothers - and there's a new kid in town this week, as one of the world's biggest film stars visits County Down.

The bitter and bloody sectarian violence continues across Belfast. One man is witness to much of that in East Belfast, as he takes his life in his hands to keep his part of the city out of darkness. Meanwhile Éamon de Valera picks his team to negotiate the treaty with Britain- but why isn’t he on it?

As term begins in 1921, thousands of children in Belfast still don't have a school place thanks to an education system in desperate need of reform. Enter Lord Londonderry, Northern Ireland's first Education Minister. But he soon hits roadblocks in implementing changes in a deeply divided society.