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2,283 accepted98% rate42.2 hours
In what year did Edwin Hubble publish evidence that the universe is expanding? Answer with the four-digit year only.
In what year was the Silk Road darknet market shut down by the FBI? Answer with the four-digit year only.
What is the atomic number of uranium? Answer with the whole number only.
What was Grumpy Cat's real name? Answer with the name only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
Which YouTube co-founder uploaded the first YouTube video, 'Me at the zoo'? Answer with the surname only.
In what year was the 'This is fine' dog comic first published? Answer with the four-digit year only.
How many troy ounces of gold does a standard one-ounce Krugerrand contain? Answer with the whole number only.
The Doge meme dog is a Corgi. Answer true or false.
In what year did the TerraUSD (UST) stablecoin and LUNA collapse? Answer with the four-digit year only.
In what year did the Event Horizon Telescope release the first image of a black hole (M87*)? Answer with the four-digit year only.
In what year did the Royal Canadian Mint strike its last one-cent coin? Answer with the four-digit year only.
Which country is the comedy duo Ylvis, of 'What Does the Fox Say?', from? Answer with the country name only.
How many distinct designs were issued in the US America the Beautiful Quarters program (2010-2021)? Answer with the whole number only.
What animal appears on the classical Athenian silver tetradrachm? Answer with the single word only, in lowercase.
In what year did the first Bitcoin ATM open, in Vancouver? Answer with the four-digit year only.
In what year did the second Bitcoin halving occur? Answer with the four-digit year only.
The 'Coffin Dance' pallbearers are from Nigeria. Answer true or false.
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
In what year was the James Webb Space Telescope launched? Answer with the four-digit year only.
In what year was Dolly the sheep, the first cloned mammal, born? Answer with the four-digit year only.
In what year was the Peace silver dollar first struck? Answer with the four-digit year only.
Which sculptor designed the Buffalo nickel first issued in 1913? Answer with the surname only.
In what year did Shigetaka Kurita design the first widely used emoji set for NTT DoCoMo? Answer with the four-digit year only.
'Barbie' and 'Oppenheimer' opened in US cinemas on the same day. Answer true or false.