70th Session of the UNGA 15 September, 2015 - 6 October, 2015 02:00 Share SHARE Facebook share Twitter LinkedIn Copy URL Email Image [media_placeholder] Breadcrumb Home Events & Meetings 70th Session of The UNGA Opening at UN Headquarters on Tuesday, 15 September 2015. On 25 September 2015, His Holiness Pope Francis will address the UNGA, and from 25-27 September the Summit for the Adoption of the Post-2015 Development Agenda will convene. The General Debate of the 70th Session of the UNGA will take place from 28 September - 6 October 2015. Add to Calendar Google Yahoo! Outlook.com Office.com iCal / MS Outlook