Russian engineers start loading fuel into Iran's first nuclear reactor at Bushehr Nuclear Power Plant.
U.S. State Department spokesperson Ned Price says that the U.S. will still engage with Russia in efforts to revive the Joint Comprehensive Plan of Action and prevent Iran from acquiring nuclear weapons despite Russia's invasion of Ukraine.
The presidents of Russia and Iran disagree with the Turkish president's proposal for a ceasefire in Idlib after meeting in Tehran, because it would not include the Islamist militants those nations aim to defeat.
Iran holds talks with Russia over buying an upgraded version of the S-300 surface-to-air missile defense system.
Russia begins deliveries of its S-300 air defense systems to Iran.
At least four Russian cruise missiles fired at Syria from the Caspian Sea landed in Iran, according to US officials. Damage or casualties are not yet known. Russia and Iran rejected these reports.
Iraq says that Iran, Russia and Syria are assisting it in its fight with the Islamic State in Iraq and the Levant.
China, France, Russia, the United Kingdom and United States urge Iran to co-operate with the International Atomic Energy Agency.
Rosatom, the Russian state nuclear energy corporation, explains that the Bushehr Nuclear Power Plant has been delayed in opening due to damage to the nuclear reactor's cooling pumps.
Rosatom, Russia's nuclear energy corporation announces that it will start loading fuel for the Bushehr Nuclear Power Plant Iran's first nuclear power plant from August 21.