Noel Whelan: 20 things to remember about the Belfast Agreement
Good Friday 1998 was a day when politics achieved what was presumed impossible
Good Friday agreement: ill health has deprived us of the eloquence of John Hume (centre) in recent years, but the importance of his advocacy endures. Photograph: Alan Betson
There are 20 things worth remembering this week as we mark the 20th anniversary of the Belfast Agreement.