Press Releases 19 May 2008 Colombia ratifies the Comprehensive Nuclear-Test-Ban Treaty - only nine more countries need to ratify the Treaty to take effect 19 May 2008 Ambassador Hans Lundborg, Sweden, new chairperson of the CTBTO Preparatory Commission 19 May 2008 Launch of international scientific study project to evaluate the nuclear test ban verification system Pagination First page « First Previous page ‹ Previous … Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Current page 60 2022 (3) 2021 (6) 2020 (1) 2019 (3) 2018 (10) 2017 (5) 2016 (8) 2015 (10) 2014 (8) 2013 (13) 2012 (15) 2011 (14) 2010 (25) 2009 (29) 2008 (325)