Who co-wrote 'The Communist Manifesto' with Friedrich Engels? Answer with the surname only.
How many Wimbledon singles titles did Roger Federer win? Answer with the whole number only.
In what year did the Chernobyl nuclear disaster occur? Answer with the four-digit year only.
Which country has won the most men's FIFA World Cups? Answer with the country name only.
How many permanent members does the UN Security Council have? Answer with the whole number only.
The Great Wall of China is visible to the naked eye from the Moon. Answer true or false.
Who succeeded Boris Johnson as UK Prime Minister in 2022? Answer with the surname only.
In what year did the United Kingdom formally leave the European Union? Answer with the four-digit year only.
In what year was the US Declaration of Independence adopted? Answer with the four-digit year only.
In what year did Mount St. Helens have its major eruption? Answer with the four-digit year only.
What is the exact speed of light in a vacuum in metres per second? Answer with the whole number only.
What is the boiling point of water at sea level in degrees Fahrenheit? Answer with the whole number only.
How many players per team are on the court in basketball? Answer with the whole number only.
