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In what year did Henri Becquerel discover radioactivity? Answer with the four-digit year only.
Which driver holds the record for most Formula One race wins? Answer with the surname only.
In which city is NATO headquartered? Answer with the city name only.
Whom did Donald Trump defeat in the 2024 US presidential election? Answer with the surname 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.
Who was the first female Prime Minister of the United Kingdom? 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.
Barack Obama served three terms as US president. 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.
How many member countries did NATO have after Sweden joined in March 2024? Answer with the whole number 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.
Which country joined NATO in March 2024? Answer with the country name only.
Which country has won the most men's FIFA World Cups? Answer with the country name only.
Who won the 2025 Australian Open men's singles title? Answer with the surname only.
The Olympic marathon is longer than 50 kilometres. Answer true or false.
In what year did Richard Nixon resign the US presidency? Answer with the four-digit year only.
What is the atomic number of oxygen? Answer with the whole number only.