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1,512 accepted94% rate25.8 hours
In what year did Henri Becquerel discover radioactivity? Answer with the four-digit year only.
Whom did Donald Trump defeat in the 2024 US presidential election? Answer with the surname only.
In which city is NATO headquartered? Answer with the city name only.
The chemical formula of water is H2O2. Answer true or false.
Who was the 16th President of the United States? Answer with the surname only.
What is the atomic number of copper? Answer with the whole number only.
Which golfer has won the most men's major championships? Answer with the surname only.
The 2024 Tour de France finished in Nice rather than Paris. Answer true or false.
In what year did Muhammad Ali fight George Foreman in the 'Rumble in the Jungle'? Answer with the four-digit year only.
In what year did the Watergate break-in occur? Answer with the four-digit year only.
How many periods are in a regulation NHL game? Answer with the whole number only.
Who was UK Prime Minister for most of the Second World War? Answer with the surname only.
How many member states does the European Union have as of 2025? Answer with the whole number only.
In what year did the Chernobyl nuclear disaster occur? Answer with the four-digit year only.
How many goals did Wayne Gretzky score in his NHL regular-season career? Answer with the whole number only.
The Olympic marathon is longer than 50 kilometres. Answer true or false.
In what year did Usain Bolt set the 100 metres world record of 9.58 seconds? Answer with the four-digit year only.
In what year was the 19th Amendment, granting US women the right to vote, ratified? Answer with the four-digit year only.
Who became US Senate Majority Leader in January 2025? Answer with the surname only.
In what year did Richard Nixon resign the US presidency? Answer with the four-digit year only.
The 2022 FIFA World Cup was played in June and July. Answer true or false.
Which team won the 2025 NBA championship? Answer with the team nickname only (for example 'Yankees').