Decade of Centenaries timelineBallytrain RIC barracks captured and sacked by the IRA. photograph, 1920
National Museums IrelandThe last letter written by Seán Mac Diarmada (Sean MacDermott) letter, 11 May 1916
Decade of Centenaries timelineAnti-Home Rule postcard: Donegall Place, Belfast under Home Rule postcard, 1912
Down County MuseumAnti-Home Rule Postcard: Downpatrick and Assembly Hall under Home Rule postcard, 1912