How many stars and stripes are on the US flag, and what do they represent?
The US flag has 50 stars, one for each state, and 13 stripes that stand for the original 13 colonies.
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- Where was the world's first underground railway?
“The London Underground opened in 1863 and was the world's first underground railway. Its first trains were pulled by steam engines.”
Reference: Transport for London
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What countries make up the United Kingdom?
The UK is made up of four countries: England, Scotland, Wales, and Northern Ireland.
What is Big Ben?
"Big Ben" is technically the name of the giant bell inside London's clock tower. The tower itself was renamed the Elizabeth Tower in 2012.