The Catholic Historical Society of ireland celebrates its centenary this year. To mark the event the sociey has organised, with the assistance of the Irish Jesuits, a centenary lecture which will take place in Belvedere College, Dublin on Friday 9 September 2011 at 6pm. The speaker is Professor John W. O’Malley of Georgetown University, Washington DC and his title is ‘Interpreting Vactican II: the controversy and its solution’. Members and the public are welcome to attend. A meeting of the society’s committee’s will be held on the same day.