Iran's Islamic Revolutionary Guard Corps shoots down an American RQ-4 Global Hawk spy drone after it allegedly violates Iranian airspace.
A prisoner swap takes place between Iran and the United States, resulting in the release of five prisoners from each country. Under the terms of the swap, Iran will also gain access to six billion dollars frozen in South Korean bank accounts.
Iranian state media report a deal to release $7 billion of frozen Iranian funds has been reached between Iran, the United States, and the United Kingdom for the release of prisoners with Western-links, including Nazanin Zaghari-Ratcliffe, in which the British government has agreed to pay a £400 million debt for her release.
In an act of cooperation that is rare in recent years, Iran releases Princeton PhD candidate Wang Xiyue while the United States releases stem cell researcher Massoud Soleimani in a prisoner exchange. Both U.S. President Donald Trump and Iranian Foreign Minister Mohammad Javad Zarif thank the Swiss government for facilitating the swap.
An Iranian Islamic Revolutionary Guard Corps weapons depot in Abu Kamal District, Deir ez-Zor Governorate, Syria, is hit by an airstrike. Arab media say Israel is behind the attack. The United States denies any involvement.
The United States Treasury Department announces new sanctions on Iran central bank governor Valiollah Seif and assistant director Ali Tarzali for allegedly helping the Islamic Revolutionary Guard Corps and Quds Force support Hezbollah.
Iranian Foreign Minister Mohammad Javad Zarif meets with U.S. Secretary of State John Kerry during P5+1 and Iran talks, the highest-level direct contact between the United States and Iran in six years.