How many American hostages were released by Iran on 20 January 1981? Answer with the whole number only.
Which US Secretary of State led the American delegation in the JCPOA negotiations? Answer with his first name and surname.
How many US service members were killed in the October 1983 bombing of the Marine barracks in Beirut? Answer with the whole number only.
Under the JCPOA, how many IR-1 centrifuges was Iran allowed to keep enriching uranium at Natanz? Answer with the whole number only.
What is the number of the UN Security Council resolution whose acceptance ended the Iran-Iraq War in 1988? Answer with the whole number only.
In what year did Iran ratify the Treaty on the Non-Proliferation of Nuclear Weapons (NPT)? Answer with the four-digit year only.
In which calendar month was the US Embassy in Tehran seized in 1979? Answer with the month number, 1 to 12.
In what year did Ayatollah Ruhollah Khomeini return to Iran from exile, days before the monarchy fell? Answer with the four-digit year only.
Who was Director General of the International Atomic Energy Agency during the June 2025 strikes on Iran? Answer with the surname only.