In what year did Scott Fahlman propose the :-) emoticon? Answer with the four-digit year only.
In what year did El Salvador make bitcoin legal tender? Answer with the four-digit year only.
The mint mark 'P' stands for Denver. Answer true or false.
Whales are fish. Answer true or false.
In what year was the US Civil Rights Act signed into law? Answer with the four-digit year only.
Which driver holds the record for most Formula One race wins? Answer with the surname only.
The chemical formula of water is H2O2. Answer true or false.
Who was the first female Prime Minister of the United Kingdom? Answer with the surname only.
Which team won Super Bowl LVIII? Answer with the team nickname only (for example 'Yankees').
In what year did LIGO first directly detect gravitational waves (event GW150914)? Answer with the four-digit year only.
Which Google DeepMind chief executive shared the 2024 Nobel Prize in Chemistry for protein structure prediction? Answer with the surname only.
How many member states does the European Union have as of 2025? Answer with the whole number only.
How many goals did Wayne Gretzky score in his NHL regular-season career? Answer with the whole number only.
