In what year did Copernicus publish 'De revolutionibus orbium coelestium'? Answer with the four-digit year only.
How many shillings was the British guinea fixed at from 1717? Answer with the whole number only.
In what year did Bitcoin Cash split from Bitcoin? Answer with the four-digit year only.
Which company is most associated with the XRP Ledger and the XRP token? Answer with the name only.
Which planet was discovered in 1846 by mathematical prediction? Answer with the name only.
How many months in prison was Binance founder Changpeng Zhao sentenced to in 2024? Answer with the whole number only.
Mitochondria have their own DNA. Answer true or false.
In what year was the Roosevelt dime first issued? Answer with the four-digit year only.
Traditional Chinese cash coins have a hole of what shape in the middle? Answer with the single word only, in lowercase.
In what year was the Hubble Space Telescope launched? Answer with the four-digit year only.
In what year did Mike Godwin formulate Godwin's law? Answer with the four-digit year only.
What is the face value in US dollars of a 1933 Double Eagle gold coin? Answer with the whole number only.
In what year did Dmitri Mendeleev publish his periodic table? Answer with the four-digit year only.
In what year did 'The Dress' (blue and black or white and gold) go viral? Answer with the four-digit year only.
What misspelled word for 'hold' became a crypto meme in 2013? Answer with the single word only, in lowercase.
How many reeds are on the edge of a modern US quarter? Answer with the whole number only.
In what year did the 'Numa Numa' video by Gary Brolsma appear? Answer with the four-digit year only.
In which country does Moo Deng the pygmy hippo live? Answer with the country name only.
Who wrote the Ethereum Yellow Paper and later founded Polkadot? Answer with the surname only.
Who discovered the atomic nucleus through the gold foil experiment? Answer with the surname only.