Iran's Nuclear Ambitions By lengy123 Aug 8, 2005 Iran resumes uranium conversion which had been suspended since November 2004 Iran resumes uranium conversion which had been suspended since November 2004 Dec 23, 2006 UN security council imposes sanctions on Iran’s trade in sensitive nuclear materials and technology Jan 20, 2010 Iranian scientist killed by remote controlled bomb Jun 18, 2010 New financial sanctions against Iran Nov 29, 2010 Iranian scientist killed by bomb explosion. Another was wounded in a similar attempt. Jan 11, 2011 Chemist working at the Natanz unranium enrichment facility killed by bomb explosion. May 23, 2011 EU and US announce new sanctions against Iran Sep 2, 2011 UN’s atomic watchdog expresses concern over a possible military dimension to Iran’s nuclear activities. Nov 12, 2011 Head of Iran’s ballistic missile programme killed in an explosion at a military base Jan 11, 2012 Fifth Iranian scientist killed in bomb explosion Jan 23, 2012 Iran threatens to close strait of Hormuz over EU oil sanctions Jan 23, 2012 Eu agrees an oil embargo on Iran starting in July Feb 15, 2012 Iran announces advances in its nuclear program including building new uranium enrichment centrifuges and installing new fuel rods Feb 15, 2012 Iran threatens to stop selling oil to six European countries months ahead of when the EU’s embargo would come into effect Feb 15, 2012 Iran announces it is ready to resume talks over its nuclear program