On 7th September 2018 a gathering of senior citizens of Cathedral parish was held focusing on 3 important events which are: 5th Centenary Jubilee Celebration of Arrival of Faith in Chittagong; 91st Anniversary of Chittagong Diocese and 22nd Anniversary of Episcopal Ordination of Most Rev. Moses M. Costa, csc. Archbishop Moses offered Mass before the gathering. Almost 100 men, women, clergy & religious were present in this blessed evening. The theme of this evening was: ‘One body, many parts; one spirits, many gifts’.