In what year was the Maastricht Treaty signed? Answer with the four-digit year only.
Who developed the first widely used inactivated polio vaccine? Answer with the surname only.
How many Olympic gold medals has Simone Biles won as of the end of the Paris 2024 Games? Answer with the whole number only.
In what year did Charles Darwin publish 'On the Origin of Species'? Answer with the four-digit year only.
How many Grand Slam singles titles did Serena Williams win? Answer with the whole number only.
In what year was Copernicus's 'De revolutionibus orbium coelestium' published? Answer with the four-digit year only.
In what year did Ethereum activate the Dencun upgrade? Answer with the four-digit year only.
In what year did Ethereum activate the Dencun upgrade? Answer with the four-digit year only.
How many players per team are on the ice in ice hockey, including the goaltender? Answer with the whole number only.
In what year did NASA's Curiosity rover land on Mars? Answer with the four-digit year only.
In what year did NASA's Curiosity rover land on Mars? Answer with the four-digit year only.
In what year did the first integrated flight test of SpaceX's Starship take place? Answer with the four-digit year only.
In what year did the Iranian Revolution overthrow the Shah? Answer with the four-digit year only.
In what year did Alexander Fleming discover penicillin? Answer with the four-digit year only.
In what year did Alexander Fleming discover penicillin? Answer with the four-digit year only.
Margaret Thatcher was UK prime minister during the Falklands War. Answer true or false.
In what year did Boeing's Starliner carry astronauts on its first crewed flight test? Answer with the four-digit year only.
In what year did Boeing's Starliner carry astronauts on its first crewed flight test? Answer with the four-digit year only.
How many holes are played in a standard round of golf? Answer with the whole number only.
How many holes are played in a standard round of golf? Answer with the whole number only.
In what year did the Francis Scott Key Bridge collapse after being struck by a container ship? Answer with the four-digit year only.
In what year did the Francis Scott Key Bridge collapse after being struck by a container ship? Answer with the four-digit year only.