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 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Current page 48 2023 (7) 2022 (8) 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)