Inclusion in this chronology does not necessarily indicate that a particular development is of direct or indirect proliferation significance. Some entries provide international or domestic context for technological development and national policymaking. Moreover, some entries may refer to developments with positive consequences for nonproliferation.

1989
Iran signs a nuclear cooperation agreement with Czechoslovakia.
—"Iran To Complete Busheir Site," Middle East Defense News, 8 January 1990; in Lexis-Nexis, <http://www.lexis-nexis.com>.

1989
Reza Amrollahi, the head of Atomic Energy Organization of Iran, is appointed as one of Iran's three deputy presidents.
—Islamabad Domestic Service; in Nuclear Developments, 23 December 1988, p. 17; Kenneth R. Timmerman, "Weapons of Mass Destruction: The Cases of Iran, Syria, and Libya," A Simon Wiesenthal Center Special Report from Middle East Defense News, August 1992, p. 43.

1989
The first Chinese calutrons arrive in Iran.
—Kenneth R. Timmerman, "Weapons of Mass Destruction: The Cases of Iran, Syria, and Libya," A Simon Wiesenthal Center Special Report from Middle East Defense News (Middle East Defense News), August 1992, p. 47.

January-February 1989
Iran holds talks with the Argentine-West German-Spanish consortium, which demands that a peace treaty be in place before work restarts at Bushehr.
—Nuclear Engineering International, February 1989, p. 5.

February-March 1989
Iran expects to have uranium mines in Yazd in operation within three to four years. The 5000 tons there will exceed domestic requirements, so Iran plans to export the surplus. Iran will invest $4 million in the site within the next three years. Iran has been prospecting uranium for five years, with resources in the provinces of Isfahan, Azerbaijan, Khurasan, and Sistan va Baluchistan. The uranium processing plant in Yazd is completed by the end of 1989; there are 800 employees at the plant.
—Kenneth R. Timmerman, "Weapons of Mass Destruction: The Cases of Iran, Syria, and Libya," A Simon Wiesenthal Center Special Report from Middle East Defense News (Middle East Defense News), August 1992, p. 47.

February 1989
Nuclear Engineering International reports that Iran has held talks with a consortium from Argentina, Spain, and West Germany about contracting to aid in the completion of the Bushehr power plant. The plant's main contractor, Siemens-Kraftwerk Union of West Germany, has said that it will not consider completing the plant until a peace treaty for the region is in force.
—"Iranian Plant Still Planned" Nuclear Engineering International, February 1989, p. 5.

2 March 1989
Nucleonics Week reports that Heinrich von Pierer, of Kraftwerk Union (KWU) and who was the man behind the successful efforts to get orders for the two Bushehr PWRs in Iran in the 1970s, said that KWU "is still holding talks" with the Atomic Energy Organization of Iran to complete the war-damaged units.
—Mark Hibbs "Framatome Deal Might Counter Kwu's 41% Nuclear Contract Plunge" Nucleonics Week, 2 March 1989, pp. 7-9.

April 1989
Argentina is in the process of replacing the core of Iran's research reactor at Tehran University.
—Clarin (Buenos Aires), 4 April 1989, p. 12; in Nuclear Developments, 23 May 1989, pp. 10-11.

April 1989
Iran expresses interest in purchasing technology and reactors from an Argentine-Turkish consortium.
—Aziz Utkan, Hurriyet (Istanbul), 12 April 1989, p. 13; in Nuclear Developments, 5 April 1989, pp. 39-40.

April 1989-October 1990
Two Iranian nationals, Ray Amiri and Dan Danesh, illegally export Tektronix oscilloscopes to Iran from the United States. The oscilloscopes are used to process nuclear weapons test data. Amiri and Danesh also export logic analyzers, pulse generators, and other electronic equipment that could be used to develop nuclear weapons.
—James V. Grimaldi and David Greenwald, Orange County Register, 30 August 1991; Cristina Lee, Los Angeles Times, 13 September 1991, p. D2.

May 1989
The United States alleges that Iran may have received illegal nuclear-related exports from West Germany.
—Der Spiegel (Hamburg), 8 May 1989, pp. 166-68; in Nuclear Developments, 23 May 1989, pp. 42-44.

Mid-1989
The International Atomic Energy Agency says it is ready to cooperate on assessing the damage done by Iraqi bombing raids on the Bushehr nuclear power plant.
—Gamini Seneviratne, Nucleonics Week, 26 February 1987, p. 13; Worldwide Report, 23 April 1987, p. 46; in AFP (Paris), 24 March 1987; Nuclear Engineering International, June 1987, p. 32; PPNN Newsbrief, March 1988, p. 4; in IAEA Newsbriefs, November 1987; Mark Hibbs, Nucleonics Week, 26 November 1987; Gamini Seneviratne, Nucleonics Week, 3 March 1988, p. 7; Aziz Utkan, Nuclear Developments, 5 May 1989, p. 20; in MENA (Cairo), 21 April 1989; Nuclear News, August 1989, p. 101.

June 1989
Discussions between Iran and the Eurodif consortium over the repayment of a 1974 loan from Iran are broken off.
—Ann MacLachlan, Nuclear Fuel, 26 June 1989. pp. 4-5.

June 1989
Iranian President Hashemi-Rafsanjani signs a bilateral nuclear cooperation agreement with the Soviet Union. Iranian Prime Minister Husayn Musavi did not confirm a report that said the Soviet Union might rebuild the pressurized water reactors, which were damaged by Iraqi air strikes.
—Mark Hibbs "Iran Negotiating With USSR For Supply Of "Several" PWRs" Nucleonics Week, 25 October 1990, pp. 1-2.

1 June 1989
Nuclear Engineering International reports that a shipment of low-enriched uranium from Argentina to Iran was delayed by the International Atomic Energy Agency. [Note: The IAEA had approved the shipment in October 1988. See October 1988.]
—"Argentina: Power Cuts," Nuclear Engineering International, June 1989, p. 21.

22 June 1989
International Atomic Energy Agency Director General Hans Blix inspects the Bushehr nuclear power plant damaged by numerous Iraqi air raids and calls for increased security of nuclear facilities.
—"Iran Atomic Energy Agency Head Goes to Bushehr," British Broadcasting Corporation, 24 June 1989; in Lexis-Nexis, <http://www.lexis-nexis.com>.

22 June 1989
In a meeting in Moscow, Iranian President Hashemi-Rafsanjani, and Soviet President Mikhail Gorbachev sign agreements that include cooperation in the nuclear field.
—"Moscow, Iran Sign Economic Pacts, Hint Future Arms Deals," Los Angeles Times, 22 June 1989; in Lexis-Nexis, <http://www.lexis-nexis.com>.

25 June 1989
The Director-General of the International Atomic Energy Agency, Hans Blix, meets with the Prime Minister of Iran, Husayn Musavi. Blix announces the IAEA's readiness to cooperate with Iran in setting up nuclear reactors in Iran for peaceful purposes. The prime minister criticized the West German government for its reluctance to complete the Bushehr nuclear reactor.
—"Musavi Receives IAEA Chief Blix 25 June," Nuclear Developments, 14 July 1989, pp. 14-15.

26 June 1989
Iranian Prime Minister Husayn Musavi says Iran will build nuclear reactors for "peaceful purposes" with help from other countries.
—"Iran N-Plan," Financial Times (London), 26 June 1989; in Lexis-Nexis, <http://www.lexis-nexis.com>.

29 June 1989
The Iranian Parliament's budget committee inspects the Bushehr nuclear power plant to determine how much it will cost to finish. The committee chairman, Morteza Alviri, says $3 billion has been spent on the plant so far and that one of the two 1,300MW reactors is 90% complete.
—"Cost Of Completing Bushehr Nuclear Plant Being Assessed," British Broadcasting Corporation, 18 July 1989; in Lexis-Nexis, <http://www.lexis-nexis.com>.

3 July 1989
Iranian Finance Minister Mohammed Javad Irvani says Iran may cancel its contracts with West German companies building the Bushehr nuclear power plant. "The West Germans have not performed, and they are killing time," he says. "We want our projects to be finished because a lot of money has been invested. So any country that offers assistance to us, we will take it." He suggests the Soviet Union might be an alternative source of nuclear technology.
—Patrick E. Tyler, "Rebuilding Plan to Cost $15 Billion, Tehran Says," Washington Post, 3 July 1989, in Lexis-Nexis, <http://www.lexis-nexis.com>.

28 July 1989
Nuclear Developments reports that a West German parliamentary committee is investigating alleged illegal nuclear exports by West German firms.
—"FRG Official Views Brazil's Capability Of Making Bomb" Nuclear Developments, 28 July 1989, p. 9.

August 1989
An Asian Energy Institute (AEI) is formally launched in New Delhi, India. The Institute's aim is to promote and coordinate "research on energy" in 11 countries in the region: China, Indonesia, Bangladesh, Pakistan, Iran, Japan, South Korea, the Philippines, Sri Lanka, Jordan, and India. AEI will identify energy-efficient technologies and work on transferring these to countries within the region, besides improving information exchange on different aspects of the production, consumption, and conservation of energy.
—"Asian Energy Institute Opens," Nuclear Engineering International, November 1989, p. 7.

1 August 1989
Nuclear Engineering International reports that Eurodif, a consortium with the participation of France (52% stake), Italy (16% stake), Spain (11% stake), Belgium (11% stake), and Iran (10% stake), still intends to construct a small enrichment plant that would use laser technology.
—"Longer Life For Enrichment Plant" Nuclear Engineering International, August 1989, p. 4.

8 August 1989
Iranian Prime Minister Husayn Musavi inaugurates a new center for producing radioisotopes at the nuclear research center of the Atomic Energy Organization of Iran (AEOI) . Reza Amrollahi, head of the AEOI, says the radioisotopes produced at the site will be used for medicine and the creation of radio-drugs, which will serve the needs of 5,000 patients nationwide.
—"Iran: Radioisotope Department Opens At Nuclear Research Centre," British Broadcasting Corporation, 8 August 1989, in Lexis-Nexis, <http://www.lexis-nexis.com>.

September 1989
Iran is receiving nuclear technology and assistance from the Soviet Union. Iran says its program is strictly for peaceful purposes.
—Nuclear Developments, 26 October 1989, pp. 33-34.

26 October 1989
Nuclear Developments reports that Iran claims the Soviet Union is helping it to develop its nuclear energy program by providing technology and general assistance. The journal also reports that Iran intends to export high-grade uranium from its Saghand, Yazd mine.
—"Iraqi Effort To Get Nuclear Missiles Viewed," Nuclear Developments, 26 October 1989, pp. 33-34; "Atomic Energy Official On Exporting Uranium," Nuclear Developments, 26 October 1989, p. 34.

November 1989
Nucleonics Week reports that Spain may finish the Bushehr nuclear power plant alone, but not until the Iran-Iraq War ends with a peace treaty.
—Mark Hibbs, Nucleonics Week, 9 November 1989, p. 7.

9 November 1989
Nucleonics Week reports that the executive vice president of Nuclear Power International, a new joint venture between Siemens of West Germany and Framatome of France, says that Siemens AG is a long way from an agreement with Iran to complete the two pressurized water reactors at Bushehr. The report also says Empresarios Agrupados of Spain is also investigating the completion of the plants in Iran, but nothing can be done without the cooperation of Siemens.
—Mark Hibbs, "Siemens A 'Long Way' From Agreement To Complete Damaged Iranian Program," Nucleonics Week, 9 November 1989, p. 7.