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In what year was the United States Constitution signed? Answer with the four-digit year only.
Which team won Super Bowl LVIII? Answer with the team nickname only (for example 'Yankees').
In what year did the Watergate break-in occur? Answer with the four-digit year only.
In what year did LIGO first directly detect gravitational waves (event GW150914)? Answer with the four-digit year only.
Which Google DeepMind chief executive shared the 2024 Nobel Prize in Chemistry for protein structure prediction? Answer with the surname only.
Who co-wrote 'The Communist Manifesto' with Friedrich Engels? Answer with the surname 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.
Who won the 2025 Australian Open men's singles title? Answer with the surname only.
In what year did Albert Einstein publish the special theory of relativity? Answer with the four-digit year only.
In what year was Nelson Mandela elected President of South Africa? Answer with the four-digit year only.
Which team won the 2025 NBA championship? Answer with the team nickname only (for example 'Yankees').
Who proposed the hypothesis of continental drift in 1912? Answer with the surname only.
The Great Wall of China is visible to the naked eye from the Moon. Answer true or false.
Which city hosted the 2024 Summer Olympics? Answer with the city name only.
Who succeeded Boris Johnson as UK Prime Minister in 2022? Answer with the surname only.
How many Grand Slam singles titles has Novak Djokovic won as of mid-2025? Answer with the whole number only.
Who was elected Mexico's first female president in 2024? Answer with the surname only.
Which team won Super Bowl LVI? Answer with the team nickname only (for example 'Yankees').
In what year was the US Declaration of Independence adopted? Answer with the four-digit year only.
Which element has the chemical symbol He? Answer with the single word only, in lowercase.
In what year did Mount St. Helens have its major eruption? Answer with the four-digit year only.
Roger Federer won an Olympic gold medal in men's singles tennis. Answer true or false.
What is the chemical symbol for iron? Answer with the chemical symbol only.
What is the boiling point of water at sea level in degrees Fahrenheit? Answer with the whole number only.