Helen Mark presents a Remembrance Sunday edition of the programme, looking at the centenary of WWI seen through stories and events linked to places across the UK and Ireland.

Helen Mark presents a Remembrance Sunday edition of the programme, looking at the centenary of WWI seen through stories and events linked to places across the UK and Ireland.

The centenary of WWI seen through stories and events. How a post office in Comber, Co Down, provided a lifeline between the home front and the war front.

The centenary of WWI seen through stories and events. Two steamships belonging to the same company are torpedoed off the coast of Waterford, with all hands lost.

The centenary of WWI seen through stories and events. Tarbert in County Kerry is the birthplace of writer and poet Thomas MacGreevy, who served at Ypres and the Somme.

The centenary of WWI seen through stories and events. A mine owned by the Wandesforde family in Castlecomer, County Kilkenny, gives up more than coal for the war effort.

The centenary of WWI seen through stories and events. Hundreds of volunteers from west Belfast enlist to fight in the 6th Battalion Connaught Rangers.

After the horror of the Somme work begins to build a memorial park, in Ballymena - one of the first war memorials in Ireland.

A simple grave in Comber marks the final resting place of George Hackney, one of the greatest photographers of the First World War.

Helen Mark introduces a season of stories to mark the momentous events of 1916. In the United Services Club in Limavady hangs a flag thought to have been carried at the Somme.

Helen Mark introduces a season of stories to mark the momentous events of 1916. The Volunteer Training Corps comes under fire in Dublin during the Easter Rising.

Helen Mark introduces a season of stories to mark the momentous events of 1916. St Patrick's Hall in Coalisland, Co Tyrone, is the scene of 'the Ulster Rising that never was'.

Helen Mark introduces a season of stories to mark the momentous events of 1916. Sir Roger Casement is arrested near Banna Strand after trying to smuggle guns for the Easter Rising.

Helen Mark presents the second part of a special Remembrance Sunday edition of the programme, looking at the centenary of the Great War through stories and events.

Helen Mark presents a special Remembrance Sunday edition of the programme, looking at the centenary of the Great War through stories and events.

The centenary of the First World War seen through stories and events. Troop trains stop for a platform picnic at Limerick Junction in County Tipperary.

The centenary of the First World War seen through stories and events. Rugby friends unite in Dublin to form Ireland's only Pals battalion.

The centenary of the First World War seen through stories and events. Q-ships from County Cork, the Royal Navy's secret weapon against German U-boats.

The centenary of the First World War seen through stories and events. Cleenish Island in County Fermanagh provides homes for heroes.

The centenary of the First World War seen through stories and events. The British army marches on boots made in Carlow.

The centenary of the First World War seen through stories and events. Belfast's 'forgotten' shipyard sets a riveting record that pleases the King.

The centenary of the First World War seen through stories and events. How the mass graves of the victims of the sinking of the Lusitania in Cork are a testament to the tragedy.

How the Irish Volunteers landed a consignment of rifles into Howth Harbour.

The centenary of WW1 seen through stories and events. It's a Long Way to Tipperary became synonymous with the conflict, but had nothing to do with the town beyond its title.

The centenary of the First World War seen through stories and events. An internment camp in Oldcastle housed German and other foreign nationals who were treated as 'enemy aliens'.