Representatives of France, Germany, and the United Kingdom fail to reach an agreement with Iran in Geneva, Switzerland, on avoiding the possible reimposition of UN sanctions under the 2015 nuclear deal's snapback mechanism, following concerns about Iran's compliance. 2025-08-26
U.S. president Donald Trump says that the U.S. and Iran have "sort of" agreed on the terms of a deal on Iran's nuclear program, which reportedly includes Iran agreeing to give up highly enriched uranium while keeping lower-grade uranium needed for civilian nuclear power, in exchange for the lifting of sanctions. 2025-05-15
Foreign Minister Hossein Amir-Abdollahian says that Iran has started talks to revive the Joint Comprehensive Plan of Action. 2023-09-3
Iranian nuclear talks are moved to Qatar in a new bid to revive the Joint Comprehensive Plan of Action. 2022-06-28
During a meeting in Israel, German Chancellor Olaf Scholz says that a new agreement to revive the Joint Comprehensive Plan of Action "cannot be postponed any longer". However, Prime Minister Naftali Bennett calls the agreement "unacceptable" as he indicated that Iran would be allowed to install centrifuges on a large scale. 2022-03-2
Diplomats from the U.S., United Kingdom, France, Germany, Russia, China, and Iran gather in Vienna, Austria to seek a deal to revive the 2015 Iran deal. 2022-02-28
Iranian President Hassan Rouhani inaugurates a series of advanced uranium enrichment centrifuges at the Natanz nuclear facility, revealing that Iran had violated in kind the Joint Comprehensive Plan of Action which mandates the testing and usage of only "first-generation" centrifuges for uranium enrichment, in response to Western sanctions violating the deal. The move comes amid indirect discussions in Vienna between Iran and the United States to revive the deal. 2021-04-10
The International Atomic Energy Agency (IAEA) says that Iran has informed them that it has begun installing equipment for the production of uranium metal, another violation in kind in response to Western violations of the Joint Comprehensive Plan of Action. The IAEA says that Iran now has enough enriched uranium to make a nuclear weapon, but still possesses less than it had before the deal was signed. 2021-01-14
French media reports that Iranian nuclear scientists began injecting uranium into centrifuges in the presence of International Atomic Energy Agency inspectors at the Fordow Fuel Enrichment Plant. Effectively it turns the plant from a research site into an active nuclear site, in further violation of the Joint Comprehensive Plan of Action. 2019-11-6
Iran's Islamic Consultative Assembly approves the deal on its nuclear program agreed with six world powers. 2015-10-13