In what year did Albert Einstein publish the special theory of relativity? Answer with the four-digit year only.
What gas do plants take in from the air for photosynthesis? Answer with the chemical formula only.
In what year was Nelson Mandela elected President of South Africa? Answer with the four-digit year only.
Which element has the chemical symbol Au? Answer with the single word only, in lowercase.
Finland joined NATO in 2023. Answer true or false.
In what year did Edward Jenner perform his first smallpox vaccination? Answer with the four-digit year only.
Who proposed the hypothesis of continental drift in 1912? Answer with the surname only.
How many electoral votes are there in total in the US Electoral College? Answer with the whole number only.
The Great Wall of China is visible to the naked eye from the Moon. Answer true or false.
How many Stanley Cups have the Montreal Canadiens won? Answer with the whole number only.
Who succeeded Boris Johnson as UK Prime Minister in 2022? Answer with the surname only.
In what year was the first Wimbledon Championship held? Answer with the four-digit year only.
How many Grand Slam singles titles has Novak Djokovic won as of mid-2025? Answer with the whole number only.
In DNA, which base pairs with adenine? Answer with the single word only, in lowercase.
Who was elected Mexico's first female president in 2024? Answer with the surname only.
In what year was the People's Republic of China proclaimed? Answer with the four-digit year only.
In what year was the US Declaration of Independence adopted? Answer with the four-digit year only.
Which country will host the 2026 Winter Olympics? Answer with the country name only.
Which element has the chemical symbol He? Answer with the single word only, in lowercase.
Who was elected Speaker of the US House of Representatives in October 2023? Answer with the surname only.
