In what year did Max Planck introduce the quantum of action? Answer with the four-digit year only.
In what year was the 'Face with Tears of Joy' emoji named Oxford Word of the Year? Answer with the four-digit year only.
In what year was the Sacagawea dollar coin first issued? Answer with the four-digit year only.
In what year did the US president sign an executive order creating a Strategic Bitcoin Reserve? Answer with the four-digit year only.
What is the smallest unit of SOL called? Answer with the single word only, in lowercase.
In what year did Scott Fahlman propose the :-) emoticon? Answer with the four-digit year only.
Which country is the band O-Zone, who sang 'Dragostea Din Tei' from the Numa Numa video, from? Answer with the country name only.
Who posted as 'Roaring Kitty' during the 2021 GameStop squeeze? Answer with the surname only.
In what year was the South African Krugerrand first minted? Answer with the four-digit year only.
In what year did Tay Zonday's 'Chocolate Rain' go viral? Answer with the four-digit year only.
In what year did the Space Shuttle Challenger disaster occur? Answer with the four-digit year only.
What percentage silver are US dimes and quarters minted before 1965? Answer with the whole number only.
What is the name of the nearest large spiral galaxy to the Milky Way? Answer with the one-word name only.
In what year did Eritrea become formally independent from Ethiopia? Answer with the four-digit year only.
On which planet is Olympus Mons? Answer with the name only.
What is the capital of Canada? Answer with the city name only.
Which airline flew the first commercial Airbus A380 service, in 2007? Answer with the airline name only.
What is the height of Aconcagua in meters, as usually cited? Answer with the whole number only.
In what year did Apollo 17, the last crewed Moon landing, take place? Answer with the four-digit year only.
