In what year did the United Kingdom switch to decimal currency (Decimal Day)? Answer with the four-digit year only.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
The Sun is a red dwarf star. Answer true or false.
What gas makes up about 78 percent of Earth's atmosphere? Answer with the single word only, in lowercase.
Which country issues the Maple Leaf bullion coins? Answer with the country name only.
In what year was the Canadian Gold Maple Leaf bullion coin first issued? Answer with the four-digit year only.
The 1943 US cents were made of zinc-coated what? Answer with the single word only, in lowercase.
Which country was the first to make bitcoin legal tender? Answer with the country name only.
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
Which American writer was the first woman honored in the American Women Quarters program in 2022? Answer with the surname only.
The gold coin first minted in Florence in 1252 is known as the what? Answer with the single word only, in lowercase.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
Who sang 'Never Gonna Give You Up', the song used in rickrolling? Answer with the surname only.
Which word was Collins Dictionary Word of the Year for 2024? Answer with the single word only, in lowercase.
Which country is the 'Hide the Pain Harold' model, Andras Arato, from? Answer with the country name only.
In what year was the Washington quarter first issued? Answer with the four-digit year only.
In what year was the Coinage Act that established the United States Mint passed? Answer with the four-digit year only.