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This is the timeline of the nuclear program of Iran. ==1956–1979== 1957: The United States and Iran sign a civil nuclear co-operation agreement as part of the U.S. Atoms for Peace program. August 9, 1963: Iran signs the Partial nuclear test ban treaty (PTBT) and ratifies it on December 23, 1963. 1967: The Tehran Nuclear Research Centre is built and run by the Atomic Energy Organization of Iran (AEOI). September 1967: The United States supplies 5.545 kg of enriched uranium, of which 5.165 kg contain fissile isotopes for fuel in a research reactor. The United States also supplies 112 g of plutonium, of which 104 g are fissile isotopes, for use as start-up sources for research reactor.〔 July 1968: Iran signs the Nuclear Non-Proliferation Treaty and ratifies it. It goes into effect on March 5, 1970. 1970s: Under the rule of Mohammad Reza Shah Pahlavi, plans are made to construct up to 20 nuclear power stations across the country with U.S. support and backing. Numerous contracts are signed with various Western firms, and the German firm Kraftwerk Union (a subsidiary of Siemens AG) begins construction on the Bushehr power plant in 1974. 1974: the Atomic Energy Act of Iran was promulgated. The Act covers the activities for which the Atomic Energy Organization of Iran was established at that period. These activities included using atomic energy and radiation in industry, agriculture and service industries, setting up atomic power stations and desalination factories, producing source materials needed in atomic industries. This creates the scientific and technical infrastructure required for carrying out the said projects, as well as co-ordinating and supervising all matters pertaining to atomic energy in the country. 1974: The Shah lent $1 billion to the French Atomic Energy Commission to help build the Eurodif uranium processing company in Europe. In exchange, Iran received rights to 10% of the enriched uranium product, a right Iran never exercised. After a bitter legal dispute, the loan was repaid in 1991.〔Oliver Meier. (Iran and Foreign Enrichment: A Troubled Model ). Arms Control Association. Retrieved 25 February 2013.〕 Following the passage of United Nations Security Council Resolution 1737 in 2006, UN financial sanctions required France to freeze dividend payments to the Atomic Energy Organization of Iran.〔(April 11, 2007). (Statements Made By The French Foreign Ministry Spokesperson ). Iran Watch. Wisconsin Project on Nuclear Arms Control. Retrieved 26 February 2013〕 1975: Massachusetts Institute of Technology signs a contract with the Atomic Energy Organization of Iran to provide training for Iranian nuclear engineers. 1975: Iran buys a 15% interest in the Rössing uranium mine of Namibia. However, due to international pressure, it is never allowed to collect any uranium from this outside country. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Timeline of the nuclear program of Iran」の詳細全文を読む スポンサード リンク
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