On 10 April 1998 – Good Friday – the UK’s Prime Minister Tony Blair and the Irish Taoiseach Bertie Ahern, signed an agreement that signalled the end of 30 years of violence and bitter sectarian conflict in Northern Ireland. But how did the Troubles originally come about? Why did the warring parties agree to ceasefires? And what were the terms of the Good Friday agreement? History Hit’s Rob Weinberg went to Queen’s University Belfast to ask the big questions about this seminal moment to Dr. Peter McLoughlin.