Then taoiseach Albert Reynolds shakes hands with Sinn Féin’s Gerry Adams and SDLP’s John Hume outside Government Buildings on September 6th, 1994. Hume and Adams began a dialogue in 1993. Photograph: Matt Kavanagh

This week the Public Record Office of Northern Ireland (Proni) is releasing files mainly relating to 1993 as a result of a decision by legislative ord(...)