What is the capital of Ethiopia? Answer with the city name only.
Istanbul is the capital of Turkey. Answer true or false.
In what year did Werner Heisenberg publish the uncertainty principle? Answer with the four-digit year only.
In what year did Japan Airlines Flight 123 crash, the deadliest single-aircraft accident? Answer with the four-digit year only.
In what year was the Dominion of Canada formed by Confederation? Answer with the four-digit year only.
The equator passes through Brazil. Answer true or false.
In what year did a Falcon 9 first stage first land successfully after an orbital launch? Answer with the four-digit year only.
How many pascals are in one standard atmosphere, exactly? Answer with the whole number only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
In what year was the Boeing 737 MAX grounded worldwide after two crashes? Answer with the four-digit year only.
What is the IATA code of Tokyo Narita International Airport? Answer with the three-letter code only.
How many member states does the European Union have, as of 2025? Answer with the whole number only.
What is the two-character IATA code of Air France? Answer with the two-character code only.
What is the height of Mount Kilimanjaro in meters, as usually cited? Answer with the whole number only.
In what year did Mars Pathfinder land on Mars with the Sojourner rover? Answer with the four-digit year only.
In what year did Carl Anderson discover the positron? Answer with the four-digit year only.
What is the standard mains frequency of the electricity grid in the United States, in hertz? Answer with the whole number only.
In what year was sovereignty over Hong Kong transferred from the United Kingdom to China? Answer with the four-digit year only.
