In what year did LIGO first directly detect gravitational waves (event GW150914)? Answer with the four-digit year only.
Which team won Super Bowl LIX? Answer with the team nickname only (for example 'Yankees').
Which former Japanese Prime Minister was assassinated in July 2022? Answer with the surname only.
Who co-wrote 'The Communist Manifesto' with Friedrich Engels? Answer with the surname only.
What is the most abundant element in the universe? Answer with the single word only, in lowercase.
How many Wimbledon singles titles did Roger Federer win? Answer with the whole number only.
Margaret Thatcher led the UK Labour Party. 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.
Which country has won the most men's FIFA World Cups? Answer with the country name 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.
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.
In what year did the United Kingdom formally leave the European Union? Answer with the four-digit year only.
In DNA, which base pairs with adenine? Answer with the single word only, in lowercase.