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Timeline of Iran's nuclear programme Timeline of Iran's nuclear programme
(about 1 hour later)
1967 The US provides Iran under the Shah the Tehran research reactor (TRR) a 5-megawatt light-water reactor for research. It originally used weapons-grade fuel. 1967 US provides Iran under the Shah with the Tehran research reactor (TRR) a 5-megawatt light-water reactor for research. It originally used weapons-grade fuel.
January 1979 The Islamic revolution topples the Shah. The new government cancels a US contract to build two nuclear power plants at Bushehr on the Gulf coast. Ayatollah Khomeini cancels the nuclear programme. January 1979 Islamic revolution topples the Shah. New Iranian government cancels a US contract to build two nuclear power plants at Bushehr on the Gulf coast. Ayatollah Khomeini closes the nuclear programme.
1984 At the height of the war with Iraq, Khomeini changes his mind about the nuclear programme and signs a new deal to complete Bushehr with German partners. 1984 At the height of the war with Iraq, Khomeini changes his mind about the nuclear programme and signs a deal with German partners to complete Bushehr.
1987 TRR is converted from 93%-enriched uranium fuel to just under 20%, which it uses now.1987 TRR is converted from 93%-enriched uranium fuel to just under 20%, which it uses now.
January 1995 Iran signs a deal with Russia to build new light-water reactors at Bushehr. January 1995 Iran signs deal with Russia to build new light-water reactors at Bushehr.
August 2002 Iran's secret nuclear programme is revealed by a rebel group, Mujahideen e-Khalq, which exposes the existence of the enrichment plant in Natanz and the heavy-water plant in Arak. Iran agrees to inspections by the International Atomic Energy Agency (IAEA).August 2002 Iran's secret nuclear programme is revealed by a rebel group, Mujahideen e-Khalq, which exposes the existence of the enrichment plant in Natanz and the heavy-water plant in Arak. Iran agrees to inspections by the International Atomic Energy Agency (IAEA).
October 2003 Iran makes an agreement with the UK, France and Germany to suspend uranium enrichment and to accepted enhanced IAEA inspections. October 2003 Iran makes an agreement with the UK, France and Germany to suspend uranium enrichment and to accept enhanced IAEA inspections.
November 2004 The deal collapses but is revived at talks in Paris in which Iran promises once more to suspend uranium enrichment.November 2004 The deal collapses but is revived at talks in Paris in which Iran promises once more to suspend uranium enrichment.
July 2005 US intelligence presents the IAEA with the contents of a stolen Iranian laptop which purported to show extensive experimentation with bomb design. The laptop's provenance is unclear. July 2005 US intelligence presents the IAEA with the contents of a stolen Iranian laptop that purported to show extensive experimentation with bomb design. The laptop's provenance is unclear.
August 2005 Hardliner Mahmoud Ahmadinejad is elected president.August 2005 Hardliner Mahmoud Ahmadinejad is elected president.
January 2006 Enrichment work at Natanz is restartedJanuary 2006 Enrichment work at Natanz is restarted
August 2006 Ahmadinejad defies a UN ultimatum to halt uranium enrichment or face sanctions, and formally opens the Arak heavy-water plant. The international community, however, refuses to help build a heavy-water reactor. August 2006 Ahmadinejad defies UN ultimatum to halt uranium enrichment or face sanctions, and formally opens the Arak heavy-water plant. The international community, however, refuses to help build a heavy-water reactor.
December 2006 The first round of UN sanctions are approved. December 2006 First round of UN sanctions are approved.
July 2008 The US sends a diplomat to six-nation talks with Iran for the first time, but they end in stalemate. July 2008 US sends a diplomat to six-nation talks with Iran for the first time, but they end in stalemate.
September 2009 The leaders of US, UK and France announce the discovery of an underground enrichment plant at Fordow.September 2009 The leaders of US, UK and France announce the discovery of an underground enrichment plant at Fordow.
August 2010 Iranian centrifuges are hit by a computer worm, Stuxnet, reportedly developed by Israel and the US.August 2010 Iranian centrifuges are hit by a computer worm, Stuxnet, reportedly developed by Israel and the US.
November 2010 Assailants on motorbikes bomb two Iranian nuclear scientists in their cars on the way to work. One dies and one survives. They are part of a string of attacks on the country's nuclear researchers.November 2010 Assailants on motorbikes bomb two Iranian nuclear scientists in their cars on the way to work. One dies and one survives. They are part of a string of attacks on the country's nuclear researchers.
November 2011 In its quarterly report, the IAEA provides more detail supporting evidence that Iran may have had a nuclear weapons programme before 2004, and may have continued some work after that.November 2011 In its quarterly report, the IAEA provides more detail supporting evidence that Iran may have had a nuclear weapons programme before 2004, and may have continued some work after that.
July 2012 EU oil embargo on Iran takes effect.July 2012 EU oil embargo on Iran takes effect.
September 2012 The Israeli prime minister, Binyamin Netanyahu, brandishes the cartoon image of a bomb at the UN general assembly and says Iran will be close to weapons capability by the following spring or summer. September 2012 The Israeli prime minister, Binyamin Netanyahu, brandishes cartoon image of a bomb at the UN general assembly and says Iran will be close to weapons capability by the following spring or summer.
June 2013 Reformist politician Hassan Rouhani is elected as president of Iran.June 2013 Reformist politician Hassan Rouhani is elected as president of Iran.
September 2013 Rouhani visits New York for the UN general assembly and speaks by phone to Barack Obama, breaking a 34-year taboo.September 2013 Rouhani visits New York for the UN general assembly and speaks by phone to Barack Obama, breaking a 34-year taboo.
October 2013 Frst round of talks between six-nation group and the new Iranian foreign minister, Mohammad Javad Zarif, goes well.October 2013 Frst round of talks between six-nation group and the new Iranian foreign minister, Mohammad Javad Zarif, goes well.
24 November 2013 Third round of talks brings a breakthrough. An interim agreement exchanging curbs on Iran's nuclear programme and partial sanctions relief.24 November 2013 Third round of talks brings a breakthrough. An interim agreement exchanging curbs on Iran's nuclear programme and partial sanctions relief.
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