Who was the first President of the Russian Federation? Answer with the surname only.
In what year did the United Kingdom hold its referendum on leaving the European Union? Answer with the four-digit year only.
In what year was Magna Carta sealed by King John? Answer with the four-digit year only.
What is the ticker symbol of BlackRock's spot bitcoin ETF? Answer with the ticker only.
Who wrote and directed the original 1977 Star Wars film? Answer with the surname only.
How many ether must be deposited to activate a single Ethereum validator under the original staking rules? Answer with the whole number only.
In what year were the first modern Olympic Games held? Answer with the four-digit year only.
What is the number of the order that turns the clone troopers against the Jedi in Revenge of the Sith? Answer with the whole number only.
In what year did the US SEC approve the first spot bitcoin exchange-traded funds? Answer with the four-digit year only.
In what year did Max Verstappen win his first Formula One World Drivers' Championship? Answer with the four-digit year only.
On which Iranian island did former FBI agent Robert Levinson disappear in March 2007? Answer with the island's name only.
In the 1987-88 Operation Earnest Will, the US Navy escorted reflagged oil tankers belonging to which country? Answer with the country name 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 what year did Ayatollah Ruhollah Khomeini return to Iran from exile, days before the monarchy fell? Answer with the four-digit year only.
